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US Patent: 419,666
Thomas G. Hall - Milford, New Haven County, CT

USPTO Classifications:
30/192, 81/348

Tool Categories:
pliers : nippers

Interchangeable Tool Co. - New York, NY

Utica Drop Forge & Tool Co. - Utica, Oneida County, NY

Wm. M. Valentine
Johnnie I.. Walton
Wm. J. Shimer

Patent Dates:
Applied: Apr. 27, 1881
Granted: Jan. 21, 1890

Patent Pictures: [ 1 | 2 ]
Thomas G. Hall patent January 21, 1890
USPTO pdf tiff
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Improvements to the nippers in patent nos. 64,664 and 209,677. The claims are details of the head, with the cutter jaws, spring to open the jaws, details of the interaction of the cutter jaws and lever handles, and the structure of the enclosure. Some of these details appear in Moses C. Johnson patent no. 232,975 (Oct. 5, 1880), which was ultimately judged invalid.

The last of a series of patents listed on the face of turn-of-the-century examples of HALL'S NIPPERS produced by the Utica Drop Forge & Tool Co., which took over the Utica, NY plant and production of Interchangeable Tool Co. after that firm experienced mortgage foreclosure in 1894 / 1895.

The dates shown on the tool & corresponding patent numbers --. (May '67) - 64,664, (Nov. '78) - 209,677, (Feb.'84) - 294,034 and (Jan. '90) - this patent.

Patented in France, 20 Feb 1880, #135,176.

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