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US Patent: 108,330
Wrenches
Improvements in Socket-Wrenches
Patentee:
James F. Cass - L'Original, ON Canada

USPTO Classifications:
81/124.1, 81/185

Tool Categories:
wrenches : wrench components : wrench sockets

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Alex. F. Roberts
Geo. W. Mabee
Gustave Dieterich

Patent Dates:
Applied: Aug. 10, 1870
Granted: Oct. 18, 1870

Patent Pictures:
James F. Cass Pat. Oct. 18, 1870
USPTO pdf tiff
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Description:
A spring-loaded central guide pin and several nested sleeves are the core of this multi-sized brace socket wrench.

The parallel Canadian patent is CA-1135 issued September 9, 1871.

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