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CA Patent: CA-45,993
Pipe-Wrench
Patentee:
Charles Hall (exact or similar names) - New York, NY

USPTO Classifications:

Tool Categories:
wrenches : wrench adjustment types : screw adjust wrenches
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Samuel Hall's Son - New York, NY

Witnesses:
A. M. Oliver
Harold Ferrell
J. Staib
Chas. H. Smith

Patent Dates:
Applied: Mar. 19, 1894
Granted: May 09, 1894

Patent Pictures:
Charles Hall patent May 9, 1894
CIPO Data
Report data errors or omissions to steward Stan Schulz
Canadian patent no. 45,993 in FLICKR
45,993 in Canadian Patents Database
Description:
Swinging hook jaw, with a possible adjustment stop, and the pivot point adjustable by a screw-shaft extending down a portion of the handle. Features of this patent appear in HALL pipe wrenches and in the HALL BICYCLE WRENCH.

This patent corresponds to U.S. patent no. 523,810, the third of four patents related to the HALL wrench.

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