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CA Patent: CA-150,778
Wrench
Patentee:
Thomas Hinds (exact or similar names) - Winnipeg, Manitoba Canada

USPTO Classifications:

Tool Categories:
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 07, 1913
Granted: Sep. 30, 1913

Patent Pictures:
Thomas Hinds patent Sept. 30, 1913 - edited from Canadian Patent Office Record
CIPO Data
Report data errors or omissions to steward Stan Schulz
CA-150778 in Canadian Patents Database
Description:
From the claims: "A wrench for varying sized pies presenting a fixed jaw presenting as common gripping point for the various sizes of pipes, and a co-acting pivotally mounted rotary jaw having portions of the margin therof cut away to present re-entrant curves of varying radii corresponding to the radii of the various pipes..."

Corresponding U.S. patent 1,105,782 was granted August 4, 1914; a known example of the wrench is marked with British patent number 102960 of 1916.

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