US Patent: D59,417 - Socket Wrench


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US Patent: D59,417

Socket Wrench

Patentee:

David F. Graham (exact or similar names) - Coudersport, PA

USPTO Classifications:

D8/29

Tool Categories:

wrenches : wrench components : wrench sockets

Assignees:

Graham Roller Bearing Company - Coudersport, PA

Manufacturer:

Graham Roller Bearing Company - Coudersport, PA

Witnesses:

Patent Dates:
Applied:	Mar. 22, 1920
Granted:	Oct. 18, 1921

Patent Pictures:

David F. Graham patent October 18, 1921

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Description:

The socket has a flared rim around the base with the hex driver opening. The lip forms a catch for the spring clip on the handle. The patent term was 3 1/2 years.

The GRAHAM socket wrench set was advertised in June, 1920 AUTOMOBILE TOPICS. The set is shown with a hexagonal rod handle and spring clip corresponding to patent no. 1,328,428 and sockets matching this design. An edited copy of the ad is appended to the DATAMP entry for 1,328,428.