Lock Picking 101 Forum
A community dedicated to the fun and ethical hobby of lock picking.
       

Lock Picking 101 Home
Login
Profile
Members
Forum Rules
Frequent Forum Questions
SEARCH
View New Posts
View Active Topics


Live Chat on Discord
LP101 Forum Chat
Keypicking Forum Chat
Reddit r/lockpicking Chat



Learn How to Pick Locks
FAQs & General Questions
Got Beginner Questions?
Pick-Fu [Intermediate Level]


Ask a Locksmith
This Old Lock
This Old Safe
What Lock Should I Buy?



Hardware
Locks
Lock Patents
Lock Picks
Lock Bumping
Lock Impressioning
Lock Pick Guns, Snappers
European Locks & Picks
The Machine Shop
The Open Source Lock
Handcuffs


Member Spotlight
Member Introductions
Member Lock Collections
Member Social Media


Off Topic
General Chatter
Other Puzzles


Locksmith Business Info
Training & Licensing
Running a Business
Keyways & Key Blanks
Key Machines
Master Keyed Systems
Closers and Crash Bars
Life Safety Compliance
Electronic Locks & Access
Locksmith Supplies
Locksmith Lounge


Buy Sell Trade
Buy - Sell - Trade
It came from Ebay!


Advanced Topics
Membership Information
Special Access Required:
High Security Locks
Vending Locks
Advanced Lock Pick Tools
Bypass Techniques
Safes & Safe Locks
Automotive Entry & Tools
Advanced Buy/Sell/Trade


Locksport Groups
Locksport Local
Chapter President's Office
Locksport Board Room
 

Finding some patents

It all started with Yale Linus Jr and patent US18169A in 1857. Look how far we've come. Post your patents here, discuss prior art, new designs, and various mechanisms important to the lock and lock picking world.

Finding some patents

Postby pickmonger » 29 Dec 2020 13:34

Finding United States Patent Office Patents

The material was referenced in Locks Safes and Security

Patents are in the public domain and can not be copyrighted.
These are links to searching patents
http://patft.uspto.gov/netahtml/PTO/search-bool.html
http://patft.uspto.gov/netahtml/PTO/search-bool.html
http://patft.uspto.gov/netahtml/PTO/search-adv.htm
http://patft.uspto.gov/netahtml/PTO/srchnum.htm

Here are Classes that Locksport members may be interested in

    Class 70 Locks, is the primary classification from patents of interest .
    Lock picking and bypass tools may also be found in the following secondary classification categories.
    Class 29 METAL WORKING
    Class 33 GEOMETRICAL INSTRUMENTS
    Class 70 Locks
    Class 76 METAL TOOLS AND IMPLEMENTS, MAKING
    Class 81 Tools
    Class 173 Tool driving or impacting
    Class 264 PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES
Last edited by pickmonger on 29 Dec 2020 13:55, edited 1 time in total.
pickmonger
 
Posts: 464
Joined: 16 Oct 2003 5:25
Location: Ontario, Canada

Re: Finding some patents

Postby pickmonger » 29 Dec 2020 13:44

Hope to create url links

    INDEX BY CATEGORY

    COMBINATION LOCK MANIPULATION AND DECODING DEVICES
    REFERENCE 2/1895 534650
    COMBINATION LOCK OPENER 3/61 2974517
    REFERENCE 1/72 3633388
    COMBINATION LOCK DECODER 11/77 4056956
    REFERENCE 2/84 4433563
    MANIPULATION MACHINE 2/89 4803860
    LOCK COMBINATION DECODER 3/6/90 4905490
    MANIPULATION MACHINE 5/91 5017851
    SAFES AND ENCLOSURES
    362 CHUBB PLANET SAFE 1988 GB 2197
    609 CHUBB SAFE PATENTS GB 1513
    033 " GB 1427
    665 " GB 1103
    086 " GB 2231
    993 " GB 2233
    376 " GB 2196
    ANTI-PICK LOCK MECHANISMS
    BANK LOCK 5/1856 14958
    REFERENCE 7/1859 24709
    REFERENCE 6/1865 48475
    REFERENCE 3/1880 225808
    PICK RESISTANT LOCK 4/1891 457753
    REFERENCE 12/1891 464579
    REFERENCE 12/1901 688070
    REFERENCE 9/1908 899955
    REFERENCE 5/14 1095431
    REFERENCE 4/17 1222545
    PICK RESISTANT LOCK 12/17/18 1287882
    REFERENCE 9/21 1390222
    REFERENCE 7/26 1593513
    REFERENCE 12/26 1610497
    REFERENCE 3/27 1619252
    REFERENCE 4/30 1755847
    PICK RESISTANT LOCK 5/32 1860712
    SAFE-DEPOSIT LOCK 1932 1863525
    REFERENCE 10/33 1932706
    PICK RESISTANT LOCK 7/34 1965336
    TUBULAR LOCK 12/34 1984202
    REFERENCE 11/35 2022070
    REFERENCE 12/35 2023847
    REFERENCE 12/35 2023847
    REFERENCE 6/36 2043205
    REFERENCE 8/36 2050696
    PICK RESISTANT LOCK 10/36 2059129
    PICK RESISTANT LOCK 2/37 2070233
    REFERENCE 7/37 2087554
    PICK RESISTANT LOCK 5/39 2158501
    BURGLAR ROOF LOCK 3/40 2194959
    REFERENCE 5/40 2202329
    REFERENCE 10/50 2254339
    PICK RESISTANT LOCK 5/42 2281714
    PICK RESISTANT LOCK 5/42 2283489
    REFERENCE 9/42 2294495
    REFERENCE 8/47 2426104
    REFERENCE 11/50 2528964
    PICK RESISTANT LOCK 2/53 2629249
    REFERENCE 8/53 2648973
    EXPOSED SHACKLE PADLOCK 3/30/54 2673457
    PADLOCK 3/30/54 2673458
    REFERENCE 1/56 2729091
    EXPOSED SHACKLE PADLOCK 12/3/57 2814940
    COMBINATION LOCK ACTUATOR 9/23/58 2852928
    X-RAY PROTECTIVE COMBINATION 3/13/62 3024640
    CONSTRUCTION KEY SYSTEM 10/23/62 3059462
    PADLOCK 9/6/66 3270534
    TAMPER PROOF AXIAL LOCK 1966 3270538
    REFERENCE 12/66 3293893
    LEVER TELEPHONE LOCK 9/24/68 3402581
    TWISTING TUMBLER 3/10/70 3499302
    MEDECO 3/70 3499303
    CHANGEABLE PADLOCK 10/13/70 3533253
    AXIAL TUMBLER LOCK 11/24/70 3541819
    PICK RESISTANT LOCK 6/22/71 3587081
    ANTI PICK LOCK 7/6/71 3590615
    PICK PROOF LOCK 1971 3604231
    MAGNETIC CYLINDER LOCK 11/72 3633393
    REFERENCE 4/72 3656328
    REFERENCE 8/72 3681955
    REFERENCE 12/72 3705508
    MEDECO ROTARY TUMBLER 1973 3722240
    PICK RESISTANT LOCK 10/73 3762193
    ANTI PICK DEVICE 10/16/73 3765199
    MAXIMUM SECURITY LOCK 10/30/73 3768284
    GUARD FOR PADLOCK 12/25/56 2775112
    AXIAL 6/4/74 3813906
    DUAL BITTED LOCK 1974 3837197
    PICK RESISTANT LOCK 12/17/74 3854311
    PICK RESISTANT LOCK 2/4/75 3863476
    LOCK COMBINATION CHANGER 3/4/75 3868838
    ANTI PICK KEY FOR LOCK 5/13/75 3882702
    AXIAL LOCK 9/9/75 3903720
    DOUBLE KEY AXIAL 11/4/75 3916657
    PICKPROOF CYLINDER 12/30/75 3928993
    PICKPROOF LOCK 6/1/76 3959997
    DETECTOR CYLINDER 7/6/76 3967481
    TAMPER PROOF PADLOCK 11/9/76 3990275
    AXIAL TUMBLER LOCK 2/8/77 4006615
    SIDEBAR WAFER 4/5/77 4015458
    ANTI-RAP PADLOCK MOUNTING 9/13/77 4047406
    ANTIPULL PLUG 1/17/78 4068508
    AXIAL SPLIT TUMBLER 1/24/78 4069696
    ANTI-IMPRESSIONING LOCK 3/14/78 4078406
    ROTARY DISC 4/11/78 4083212
    AXIAL 7/11/78 4099396
    PICKPROOF LOCK 9/5/78 4111019
    AXIAL 9/5/78 4111020
    PICK RESISTANT CYLINDER 5/1/79 4151731
    PICK RESISTANT CYLINDER 3/4/80 4191036
    PICK PROOF LOCK 3/25/80 4194379
    REFERENCE 1980 4222252
    AXIAL SPLIT PIN 10/14/80 4227387
    ANTI-PICK PIN TUMBLER 8/11/81 4282731
    PICK RESISTANT TUBULAR 9/15/81 4289000
    IMPRESSION RESISTANT LOCK 3/29/83 4377940
    TAMPER RESISTANT LOCK 4/19/83 4380163
    PULL RESISTANT LOCK CORE 4/24/84 4444034
    S&G PROGRAMMABLE LOCK 7/31/84 4462230
    REFERENCE 1986 4577479
    HIGH-SECURITY LOCK 4/8/86 4580425
    ANTI PICK LOCK 1986 4603565
    MAGNETIC LOCK 10/86 4616491
    ANTI PICK LOCK 1986 4619124
    MEDECO BIAXIAL 1987 4635455
    ROTARY DISK PIN TUMBLER 3/24/87 4651546
    PICK RESISTANT CORE 4/7/87 4655063
    ANTI PICK LOCK 1987 4683740
    HIGH-SECURITY LOCK 1987 4716749
    SIDEBAR MEDECO LOCK 2/1988 4723427
    DOUBLE LOCKING PADLOCK 3/15/88 4730467
    MEDECO BIAXIAL 1988 4732022
    HIGH-SECURITY LOCK 1989 4802354
    EVVA MAGNETIC LOCK 12/18/90 4977767
    PICK RESISTANT AXIAL LOCK 12/18/90 4977768
    PICK RESISTANT LOCK 1991 5001914
    AXIAL PIN TUMBLER 1991 5018376
    HIGH-SECURITY CYLINDER 1/14/92 5079936
    HIGH-SECURITY PADLOCKS
    S&G 8088 PADLOCK 1953 2625032
    S&G 8088 PADLOCK 1954 2673457
    PADLOCK 12/56 2775112
    COMBINATION PADLOCK 12/57 2814940
    S&G HIGH-SECURITY 4/15/58 2830447
    COMBINATION LOCK 9/1958 2852928
    S&G 8077 HIGH-SECURITY 1970 3533263
    SMART KEYS AND LOCKS
    870A CHUBB/UNION 1985 GB 2158
    452A CHUBB/UNION 1986 GB 2174
    226A CHUBB UNION 1989 GB 2214
    3594 INDUCTIVE COUPLING OF CODE INFORMATION WO 88/0
    453 INDUCTIVE COUPLING INFORMATION 1950 US 2251
    356 INDUCTIVE COUPLING INFORMATION 1950 US 2252
    229 INDUCTIVE COUPLING INFORMATION 1974 US 3848
    714 INDUCTIVE COUPLING INFORMATION 1974 US 3787
    434 INDUCTIVE COUPLING INFORMATION 1977 US 4031
    176 INDUCTIVE COUPLING INFORMATION 1985 US 4549
    253 INDUCTIVE COUPLING INFORMATION 1986 US 4602
    DIMPLE LOCKS
    ROTARY CYLINDER LOCK 12/3/68 3413831
    LOCK CYLINDER ASSEMBLY 2/6/68 3367156
    PIN TUMBLER LOCK 8/15/89 4856309
    RELOCKERS
    589 LOCKING DOORS 1/30/81 GB 2069
    649 DOOR LOCKING MECHANISM 2/11/82 GB 2114
    011 DOOR LOCKING MECHANISMS 4/8/83 GB 2119
    931 THERMALLY RESPONSIVE DOOR LOCK 10/1/86 GB 2172
    094 DOOR OF SECURITY ENCLOSURE 2/25/87 GB 2179
    RELOCKING DEVICE, SAFES 5/12/81 4266488
    RELOCKING DEVICE, SAFES 9/11/84 4470275
    CUTTING TORCH
    UNDERWATER CUTTING ROD 1/17/78 4069407
    UNDERWATER CUTTING ROD 1/8/80 4182947
    MAGNETIC LOCKS
    295 LOCKS USING MAGNETIC KEYS 12/3/84 GB 2151
    356 LOCKS WITH INDUCTIVE CODE 12/18/91 GB 2252
    128 KEYS 12/18/91 GB 2273
    226 MAGNETIC LOCK 8/31/89 GB 2214
    MAGNETIC CARD 10/12/71 3611763
    MAGNETS IN ROTARY TUMBLERS 10/15/68 3633393
    HIGH-SECURITY, CARD OPERABLE 9/10/74 3834197
    KEY OPERATED DOOR LOCK 1/9/79 4133194
    MAGNETIC LOCK 4/2/85 4507944
    MAGNETIC LOCK 10/14/86 4616491
    LOCKING WITH ACTUATOR 6/30/87 4676083
    ELECTROMAGNETIC TUMBLER 4/30/91 5010750
    LEVER LOCKS
    LEVER LOCK 6/7/1870 103837
    TELEPHONE LOCK 9/24/68 3402581
    S&G CHANGEABLE LOCK 7/31/84 4462230
    LEVER TUMBLER LOCK 6/6/89 4836000
    983 LOCKS 2/26/91 GB 2241
    531 LEVER LOCKS 2/24/93 GB 2264
    ANTI-THEFT LOCKS
    ANTIRAP MOUNTING 9/13/77 4047406
    VEHICULAR ANTITHEFT SYSTEM 9/19/89 4868409
    OPTICAL THEFT DETERRENT SYSTEM 8/27/91 5043593
    VEHICLE ANTITHEFT KEY 1/28/92 5083362
    CHANGEABLE AND PROGRAMMABLE LOCKS
    LOCK 6/14/32 1863525
    KEY 2/28/33 1899739
    CHANGEABLE PADLOCK 4/15/58 2830447
    RESETTABLE KEY 7/11/67 3330141
    PROGRAMMABLE LOCK 3/23/71 3572070
    PROGRAMMABLE AXIAL LOCK 3/4/75 3868838
    COMBINATION PADLOCK 10/5/76 3983724
    RESETTABLE LOCK ASSEMBLY 1/24/78 4069694
    PROGRAMMABLE CARD LOCK 4/17/79 4149394
    COMBINATION TUMBLER WHEEL 3/1/83 4375159
    RESETTABLE LOCK ASSEMBLY 3/15/83 4376382
    PROGRAMMABLE LEVER LOCK 7/31/84 4462230
    ELECTRONIC LOCK, INDUCED 7/22/86 4602253
    REPROGRAMMABLE LOCK AND KEYS 10/30/90 4966021
    ELECTRONIC LOCK 4/2/91 5003801
    SECURITY SYSTEM FOR DOOR LOCK 1/21/92 5083122
    ROTARY COMBINATION SHACKLE 5/5/92 5109684
    870A ABLOY ELECTRONIC LOCK 11/20/85 GB 2158
    452A ELECTRONIC INDUCTIVE LOCK 11/5/86 GB 2174
    128A CHUBB ELECTRONIC LOCK 6/8/94 GB 2273
    356A CHUBB ELECTRONIC LOCK 8/5/92 GB 2252
    AXIAL LOCKS
    MASTER KEYING PIN TUMBLERS 6/12/73 3738136
    TAMPERPROOF AXIAL TUMBLER TYPE 8/23/66 3267706
    ELECTRONIC LOCKS
    INFORMATION TRANSMISSION 7/22/86 4602253
    LOCK WITH BACKDOOR ACCESS 8/4/87 4684945
    ELECTRONIC LOCKING SYSTEM 12/15/87 4712398
    DIAL COMBINATION LOCK 5/24/88 4745784
    OPTICAL CARD KEY CONNECTOR 8/23/88 4766433
    BATTERY POWERED DOOR LOCK 2/7/89 4802353
    ELECTRONIC KEY OPERABLE 9/19/89 4866962
    OPTICAL KEY SHAPE READER 9/19/89 4868559
    HOTEL AND ROOM SAFES 12/19/89 4887445
    ELECTRONIC KEYLOCK SYSTEM 1/2/90 4891636
    ELECTROMECHANICAL LOCKING 2/20/90 4901545
    ELECTROMECHANICAL RELEASE 11/27/90 4972694
    SELF LOCKING ELECTRONIC 6/4/91 5020345
    COMPUTERIZED COMBINATION 10/29/91 5061923
    ELECTRONIC LOCK 3/10/92 5094093
    055A ELECTRONIC LOCK GB 2112
    988A ELECTRONIC LOCK GB 2155
    ANTI-THEFT COMBINATION LOCK
    SCRAMBLER 1/13/53 2625032
    VIEW LIMITING DIAL AND RING 9/20/83 4404823
    LOCKOUT CONSTRUCTION MASTER
    CONSTRUCTION KEY SYSTEM 10/23/62 3059462
    LOCKOUT KEY ASSEMBLY 11/4/69 3475934
    CAR OPENING
    KEYLESS DOOR UNLOCKING 9/2/86 4608886
    AUTO UNLOCK TOOL 4/7/87 4655102
    AUTO UNLOCK TOOL 8/4/87 4683783
    TURNING ON FORD SIDEBAR 4/4/95 5402661
    REMOVING SIDEBAR IGNITION 10/3/95 5454245
    PADLOCKS
    EXPOSED SHACKLE COMBINATION 3/30/54 2673457
    PADLOCK ACTUATING MECHANISM 9/23/58 2852928
    PADLOCK 9/6/66 3270534
    CHANGEABLE COMBINATION 10/13/70 3533253
    DOUBLE LOCKING COMBINATION 3/15/88 4730467
    TAMPER PROOF PADLOCK 11/9/76 3990275
    ANTI-RAP MOUNTING FOR PADLOCK 9/13/77 4047406
    COMBINATION RESETTING GUARD 12/25/56 2775112
    EXPOSED SHACKLE PADLOCK 12/3/57 2814940
    DISC AND WAFER LOCK
    DISC TUMBLER LOCK 1/18/1870 99013
    CYLINDER LOCK 4/6/76 3948065
    LASER SIDEBAR LOCK 12/18/90 4977767
    DISC CYLINDER LOCK 2/11/92 5086631
    SPECIAL LOCKS
    CODE CARD AND KEY LOCK 4/17/79 4149394
    PUSH-BUTTON LOCK 10/22/91 5058404
    MISC
    SWIVEL NIBBED KEY 1/28/1851 7917
    HYDRAULIC RAM 1/28/1851 7918
    ` FOLDING DOOR KEYS 2/4/1873 135600
    KEY 11/2/1880 234057
    KEY AND LOCK 2/1/10 947913
    PERMUTATION LOCK 3/26/49 2575674
    SAFES 6/2/87 4669394
    LOCK-PICKING
    CYLINDER LOCK PICK INSTRUMENT 8/23/27 1639919
    LOCKED DEVICE 4/24/28 1667223
    IMPACT PRODUCING IMPLEMENT 1/16/34 1944006
    DECODING CYLINDER LOCK KEYS 2/12/35 1991151
    CODE FINDING KEY 9/24/35 2015322
    APPARATUS FOR PICKING LOCKS 11/3/36 2059376
    UNLOCKING LOCKS 12/22/36 2064818
    COMBINATION FINDER 1/5/37 2066645
    KEY DECODER 2/9/37 2070228
    LOCK TOOL 2/9/37 2070342
    CODE FINDING KEY 6/27/36 2087423
    LOCK 4/14/42 2279592
    LOCK-PICKING GUN 2/2/43 2309677
    DECODING LOCKS 1/11/44 2338768
    POWER ACTUATED LOCK PICK 8/21/51 2565254
    PICK FOR TUBULAR LOCKS 10/20/53 2655808
    LOCK DECODER 10/11/55 2720032
    COMBINATION PIN, DISC TUMBLER 12/20/55 2727312
    IMPRESSION TYPE LOCK DECODER 9/18/56 2763027
    LOCK DECODER AND METHOD 5/14/57 2791840
    COMBINATION LOCK OPENER 3/14/61 2947517
    INSTRUMENT FOR INSPECTING 4/23/63 3087050
    TOOL FOR BARREL TYPE LOCKS 9/22/64 3149487
    TUBULAR KEY CYLINDER LOCKS 5/17/66 3251206
    VIBRATORY LOCK PICK 8/9/66 3264908
    DECODING A PIN TYPE TUMBLER 8/6/74 3827151
    DECODING TWISTING TUMBLERS 10/12/76 3985010
    DECODING TWISTING TUMBLERS 10/26/76 3987654
    LOCK PICK MECHANISM 2/8/77 4006613
    SAFE LOCK COMPONENT POSITIONS 11/8/77 4056956
    MAGNETIC LOCK PICK 2/14/78 4073166
    PICKING TUBULAR CYLINDER 6/13/78 4094176
    PIN TUMBLER CYLINDER LOCKS 5/29/79 4156375
    LOCK DECODING MECHANISM 1/29/80 4185482
    LOCK OPENING DEVICE 2/5/80 4186577
    OPENING A LOCK 10/28/80 4229959
    KEY BLANK IMPRESSIONING TOOL 11/17/81 4300416
    SKELETON KEY KIT 8/30/83 4400956
    LEVER TUMBLER LOCK PICK SET 7/3/84 4457191
    LOCK DECODER 2/28/84 4433563
    DECODING WAFER COMBINATION 5/21/85 4517746
    LOCKSMITH TOOL 8/20/85 4535546
    OPENING CYLINDER LOCKS 8/19/86 4606204
    LOCK-PICKING TOOL AND METHOD 10/21/86 4617813
    PICKING AND DECODING TOOLS 5/26/87 4667494
    MANIPULATION ASSISTANCE 2/14/89 4803860
    LOCK IMPRESSIONING KEY 4/4/89 4817406
    LOCK COMBINATION DECODER 3/6/90 4905490
    COMBINATION LOCK OPENING 5/21/91 5017851
    KEY HOLDING TOOL 10/22/91 5058465
    DISK TUMBLER LOCK DECODER 7/28/92 5133202
    LOCKSMITH TOOL 12/22/92 5172578
    SIDE BAR LOCK DECODER 7/6/93 5224365
    SIDEBAR LOCKS 7/5/94 5325691
    DECODING A PIN TUMBLER LOCK 10/18/94 5355701
    MEDECO LOCK DECODER 4/25/77 JA 0051298
    ANTI-DRILL BARRIER
    406 ANTI-DRILL BARRIER MATERIAL 8/21/85 GB 2153
    362 ANTI-DRILL BARRIER MATERIAL 5/18/88 GB 2197
pickmonger
 
Posts: 464
Joined: 16 Oct 2003 5:25
Location: Ontario, Canada

Re: Finding some patents

Postby pickmonger » 29 Dec 2020 13:48

The last numbers are the patent numbers to enter in the search tool
pickmonger
 
Posts: 464
Joined: 16 Oct 2003 5:25
Location: Ontario, Canada

Re: Finding some patents

Postby Squelchtone » 29 Dec 2020 14:17

This is somewhat confusing, that US Patent Office website is awful to use.. Why not search for patents using https://Patents.Google.com/ ?


I tried to look this up from the list you posted: KEY HOLDING TOOL 10/22/91 5058465

There is no patent for a key holding tool under the number 5058465, is this a US patent? what's the actual patent number? looks like it should be US5058465A

ok,now I found it.. it needed the US in front of the number, and the A and the end.. I'm not a patent expert so not used to the nomenclature.
https://patents.google.com/patent/US505 ... US5058465A

Squelchtone
Image
User avatar
Squelchtone
Site Admin
 
Posts: 11307
Joined: 11 May 2006 0:41
Location: right behind you.

Re: Finding some patents

Postby pickmonger » 29 Dec 2020 14:54

I enter the patent number in http://patft.uspto.gov/netahtml/PTO/search-bool.html and it worked

google uses a different search string, the link above uses only 5058465

USPTO shows the patent, the classes, people with prior inventions and foreign patents

USPTO info can be ported to a xls file

[Home] [Boolean Search] [Manual Search] [Number Search] [Help]
[Bottom]
[View Shopp
ing Cart] [Add to Shopping Cart]
[Image]
( 1 of 1 )
United States Patent 5,058,465
Womack October 22, 1991
Key holding tool for impressioning

Abstract
A device for holding a lock key firmly while inserting the key in a lock on a building, automobile, filing cabinet or other. The purpose of the tool is to impart torque simultaneous with a rocking motion to the key. This causes marks to be made on the key by the lock pins or wafers and shows the locksmith where to file the key to make it open the lock. This procedure is well known to those in the locksmith's trade, and is called impressioning.

Inventors: Womack; Robert C. (Dallas, TX)
Family ID: 23369928
Appl. No.: 07/348,873
Filed: May 8, 1989
Current U.S. Class: 81/487; 294/158; 70/456R; 81/418; 70/408; 81/177.4; 81/438
Current CPC Class: B25B 9/00 (20130101); B25B 3/00 (20130101); Y10T 70/7876 (20150401); Y10T 70/8676 (20150401)
Current International Class: B25B 9/00 (20060101); B25B 3/00 (20060101); B25H 003/00 ()
Field of Search: ;81/487R,418,177.4,490,129,438,451,125
References Cited [Referenced By]
U.S. Patent Documents
855280 May 1907 Campbell
1427668 August 1922 Williams
1935748 November 1933 Roff
4384499 May 1983 Shockley
4815346 March 1989 Littlehorn
Foreign Patent Documents
0914262 Mar 1982 SU
Primary Examiner: Schmidt; Frederick R.
Assistant Examiner: Cruz; Lawrence
pickmonger
 
Posts: 464
Joined: 16 Oct 2003 5:25
Location: Ontario, Canada

Re: Finding some patents

Postby pickmonger » 29 Dec 2020 15:10

I am in the process of compiling all above patents in a .pdf file so they can be read as a book

For some members this will be overkill but I want it for when I do not have access to the internet.
I am also creating a hard copy

I will get an url that will download the book if some one wants it.
pickmonger
 
Posts: 464
Joined: 16 Oct 2003 5:25
Location: Ontario, Canada

Re: Finding some patents

Postby stratmando » 3 Jan 2021 9:43

I see a lot that I would like to see Diagrams of, I wandered in a Miami Library once, Half the Building Were Large Books of Patents, looking forward to your work, sitting and looking through the Books is Interesting as you see Patents you weren't searching for.
stratmando
 
Posts: 1221
Joined: 26 Nov 2005 21:54
Location: Florida Keys


Return to Lock Patents

Who is online

Users browsing this forum: No registered users and 0 guests