U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.

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Class 411/196 - And further includes spaced, axially extending legs for engaging side flats on the nut


Subclass of Class 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
Definition: Device wherein at least one of the distinct members includes,
No. of patents: 2
Last issue date: 03/01/2005


NumberTitleIssue Date
6860688Lockable nut system
A lockable nut system for use with threaded steel bar which includes a screw threaded nut for engagement with the threaded steel bar and a locking member which is slidably engageable with the bar. The locking member is adapted to resist rotation about the bar and is... 		03/01/2005
5938173Device for preventing gland nut in valve from loosening
A device for preventing a polygonal gland nut helically coupled with the stem of a valve from loosening includes a locking piece inserted non-rotatable on the stem. A pair of engaging claws are formed on the locking piece to engage with one of the lateral... 		08/17/1999
 
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