Welcome to our world of Locks and Locksmiths (click logo or scroll down to view all):-
 www.Antique-Locks.com 
  
HoL
   COLTi
Or are you looking for modern, or recent past,
Keys, Locks or Safes.
keys, locks & safes
Industrial Archaeology of Locks HoL Museum
COLTi
  
Please support our forum sponsors where you can.
Researching locks from antiquity to the recent past.Maintaining a reference collection & archive.Today's scene and cutting edge developments.
Threads 1 to 14 of 14

Forum: US Patent Specifications

US Patent Specifications on locks and security devices - For Reference, Research and Discussion.

Note: In this special sub-forum start a new thread for each new Patent Number.

  1.   Sticky Threads  

  2. Sticky Thread Sticky: US Patents

    Started by Librarian, 02-06-12 02:58 PM
    • Replies: 1
    • Views: 2,050
    Vaughan Armstrong
    09-01-17, 06:54 AM Go to last post

  3.   Normal Threads  

  1. 1960 - 2938374

    Started by Librarian, 02-06-12 05:27 PM
    4 Attachment(s)
    • Replies: 0
    • Views: 1,416
    Librarian
    02-06-12, 05:27 PM Go to last post

  2. 1958 - 2858691

    Started by Librarian, 02-06-12 05:26 PM
    3 Attachment(s)
    • Replies: 0
    • Views: 1,135
    Librarian
    02-06-12, 05:26 PM Go to last post

  3. 1957 - 2779185

    Started by Librarian, 02-06-12 05:26 PM
    6 Attachment(s)
    • Replies: 0
    • Views: 1,252
    Librarian
    02-06-12, 05:26 PM Go to last post

  4. 1939 - 2152258

    Started by Librarian, 02-06-12 05:17 PM
    6 Attachment(s)
    • Replies: 0
    • Views: 1,190
    Librarian
    02-06-12, 05:17 PM Go to last post

  5. 1872 - 122991 - Budd - Improvements in Padlocks

    Started by Librarian, 10-01-17 05:39 AM
    1 Attachment(s)
    • Replies: 0
    • Views: 1,133
    Librarian
    10-01-17, 05:39 AM Go to last post

  6. 1871 - 116977, McWilliam, James. Improvements in Padlocks

    Started by Librarian, 26-01-17 05:40 PM
    2 Attachment(s)
    • Replies: 0
    • Views: 3,786
    Librarian
    26-01-17, 05:40 PM Go to last post

  7. 1863 - 39486 Improvement in Padlock

    Started by dleebrick, 09-01-17 01:42 AM
    3 Attachment(s)
    • Replies: 0
    • Views: 1,328
    dleebrick
    09-01-17, 01:42 AM Go to last post

  8. 1862 44101 Hasp for Trunk Lock by Conrad Liebrich of Philadelphia

    Started by dleebrick, 08-01-17 08:36 PM
    2 Attachment(s)
    • Replies: 0
    • Views: 1,063
    dleebrick
    08-01-17, 08:36 PM Go to last post

  9. 1854 - 10862 Liebrich Trunk Lock

    Started by dleebrick, 08-01-17 08:29 PM
    2 Attachment(s)
    • Replies: 0
    • Views: 974
    dleebrick
    08-01-17, 08:29 PM Go to last post

  10. 1852 Patent # 8775 Lock and Plate

    Started by dleebrick, 09-01-17 01:39 AM
    2 Attachment(s)
    • Replies: 0
    • Views: 1,003
    dleebrick
    09-01-17, 01:39 AM Go to last post

  11. 1849 Patent 6522 - Padlock with Key

    Started by dleebrick, 09-01-17 01:36 AM
    2 Attachment(s)
    • Replies: 0
    • Views: 1,065
    dleebrick
    09-01-17, 01:36 AM Go to last post

  12. 1848 - 5708

    Started by Librarian, 02-06-12 03:48 PM
    4 Attachment(s)
    • Replies: 0
    • Views: 1,182
    Librarian
    02-06-12, 03:48 PM Go to last post

  13. 1839 1355 Truck Lock by Conrad Liebrich of Philadelphia

    Started by dleebrick, 08-01-17 08:42 PM
    2 Attachment(s)
    • Replies: 0
    • Views: 976
    dleebrick
    08-01-17, 08:42 PM Go to last post

  14. 1833 - 7758x

    Started by Librarian, 02-06-12 03:38 PM
    1 Attachment(s)
    • Replies: 0
    • Views: 1,162
    Librarian
    02-06-12, 03:38 PM Go to last post

Forum Information and Options

Users Browsing this Forum

There are currently 1 users browsing this forum. (0 members & 1 guests)

Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.

Icon Legend

Contains unread posts
Contains unread posts
Contains no unread posts
Contains no unread posts
More than 15 replies or 150 views
Hot thread with unread posts
More than 15 replies or 150 views
Hot thread with no unread posts
Closed Thread
Thread is closed
Thread Contains a Message Written By You
You have posted in this thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  

Forum Rules