Lock.

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Description

Patent for a new and improved lock. This design "is to produce a lock and key in which the lock-case has no exterior opening communicating with its wards or works, but is provided with a recess only for supporting the shank or axis of the key, while the only opening for the admission of the key to the interior of the lock, whereby its wards or bolt may be operated or controlled, is upon the interior of the lock-case, so that there is no possibility of introducing . . . picking devices therein, or of introducing any explosive agents" (lines … continued below

Physical Description

[2], 1 p. : ill. ; 23 cm.

Creation Information

Markham, Thomas W. June 30, 1885.

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This patent is part of the collection entitled: Texas Patents and was provided by the UNT Libraries Government Documents Department to The Portal to Texas History, a digital repository hosted by the UNT Libraries. It has been viewed 14 times. More information about this patent can be viewed below.

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Description

Patent for a new and improved lock. This design "is to produce a lock and key in which the lock-case has no exterior opening communicating with its wards or works, but is provided with a recess only for supporting the shank or axis of the key, while the only opening for the admission of the key to the interior of the lock, whereby its wards or bolt may be operated or controlled, is upon the interior of the lock-case, so that there is no possibility of introducing . . . picking devices therein, or of introducing any explosive agents" (lines 15-27).

Physical Description

[2], 1 p. : ill. ; 23 cm.

Notes

"SPECIFICATION forming part of Letters Patent No. 321,306, dated June 30, 1885. Application filed March 24, 1885. (Model.)"

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Texas Patents

United States patents filed by Texas inventors before 1900. A majority of the patents are for agricultural and industrial applications.

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Creation Date

  • June 30, 1885

Accepted Date

  • June 30, 1885

Submitted Date

  • March 24, 1885

Added to The Portal to Texas History

  • Aug. 4, 2011, 5:55 p.m.

Description Last Updated

  • March 1, 2024, 6:25 p.m.

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Markham, Thomas W. Lock., patent, June 30, 1885; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth171011/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.

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