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US Patent: 2,539,865
Actuating and Locking Means for the Handles of Plier Type Tools
Patentee:
Walter Sarvie - Alexandria, MN

USPTO Classifications:
188/67, 81/319, 81/323, 81/339

Tool Categories:
wrenches : pliers type wrenches : locking pliers

Assignees:
None

Manufacturer:
Sarvie Tool Co. - Alexandria, MN

Witnesses:
none listed

Patent Dates:
Applied: Aug. 24, 1949
Granted: Jan. 30, 1951

Reissue Information:
Reissued as RE23,761 (Dec. 29, 1953)

Patent Pictures: [ 1 | 2 ]
Walter Sarvie patent January 30, 1951
USPTO pdf tiff
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Description:
The focus of the patent is the "L" shaped handle which passes through a lever clutch and hole in the opposite handle.

The specifications cite patent nos. 1,879,542, 1,944,116, and 2,392,820 as relevant prior art.

Although known examples include ones marked "PATS PENDING," most known examples note the 1953 reissue (pat. RE23,761).

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