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US Patent: 560,438
Combined Nut and Pipe Wrench
Patentee:
Elbert H. Smith (exact or similar names) - Canisteo, NY

USPTO Classifications:
81/186

Tool Categories:
wrenches : pipe and nut combination wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Harry L. Ames
D. P. Wolhaupter
Almon W. Burrell
A. H. Burrell

Patent Dates:
Applied: Apr. 17, 1895
Granted: May 19, 1896

Patent Pictures:
Elbert H. Smith patent May 19, 1896
USPTO (New site tip)
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Description:
The shape of the jaw surface on the movable jaw has a flat nut gripping face at the outer tip, and curved toothed pipe gripping surface closer to the main shank.

Corresponding Canadian patent no. CA-52,676 was issued June 17, 1896; British patent GB-189610832 was registered May 19, 1896.

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