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US Patent: 1,409,672
Pipe Wrench
Guy C. Claypoole - Hamden, CT

USPTO Classifications:

Tool Categories:
wrenches : pipe wrenches

Winchester Repeating Arms Co. - New Haven, CT

Winchester Repeating Arms Co. - New Haven, CT

Erik S. Palmer
Frank A. Paul

Patent Dates:
Applied: Sep. 22, 1921
Granted: Mar. 14, 1922

Patent Pictures: [ 1 | 2 ]
Guy C. Claypoole patent March 14, 1922, with WINCHESTER No. 1022 pipe wrench
USPTO pdf tiff
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The frame for the adjusting nut is a stamping; the spring is at the tail of the frame. The frame and spring are very close to the comparable features in the PERFECT HANDLE pipe wrench (pat. no. 1,122,335). In this patent, the spring is protected by the guide lugs that extend from the shank.

WINCHESTER produced this wrench in wood handle and steel handle versions in the usual range of sizes. "WINCHESTER" appears on both the adjustable jaw and wrench body.

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