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US Patent: 460,015
Pipe Tongs
Patentee:
George W. Johnson - Erie, PA

USPTO Classifications:
81/178, 81/185.1, 81/342

Tool Categories:
wrenches : pipe wrenches : pipe tongs

Assignees:
None

Manufacturer:
Unknown

Witnesses:
H. G. Seitz
W. S. Duvall
W. W. Jordan
Thomas White

Patent Dates:
Applied: Apr. 04, 1891
Granted: Sep. 22, 1891

Patent Pictures: [ 1 | 2 ]
George W. Johnson patent September 22, 1891
USPTO pdf tiff
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Description:
The hook jaw is pivotally connected to its handle. The gripping face on the second handle is reversible, with teeth on both sides. A spur on the second handle engages with a notch in the hook jaw to increase the gripping pressure of the tool. A known example matching this patent is marked only with the patent date.

Erie Mfg. & Supply adjustable jaw tongs with this patent date actually reflect Johnson's improved patent no. 540,790.

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