US Patent: 1,498,713 - Universal Joint Wrench


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US Patent: 1,498,713

Universal Joint Wrench

Patentee:

Percy York (exact or similar names) - Duluth, MN

USPTO Classifications:

81/177.75

Tool Categories:

wrenches : socket wrenches

wrenches : wrench components : wrench handle components

Assignees:

None

Manufacturer:

Truth Tool Co. - Mankato, MN

Witnesses:

none listed

Patent Dates:
Applied:	Jun. 09, 1921
Granted:	Jun. 24, 1924

Patent Pictures: [ 1 | 2 ]

Percy York patent June 24, 1924

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Description:

The wrench appears to be an evolution of York's Dec. 7, 1920 patent (no. 1,361,130).

The focus of the patent is the handle structure and the connections between the components. The universal joints are the focus of York's parallel patent (no. 1,498,712).

A 1927 TRUTH TOOL Co. (Mankato, MN) shows YORK socket sets with features corresponding to these patents.