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CA Patent: CA-41,497
Apparatus For Mutilating The Threads of Bolts
Patentee:
Samuel Rufer - New Philadelphia, OH

USPTO Classifications:

Tool Categories:
pliers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
C. S. Frye
G. T. Myers

Patent Dates:
Granted: Jan. 11, 1893

Patent Pictures:
Samuel Rufer patent January 11, 1893 edited from CANADIAN PATENT OFFICE RECORD
CIPO Data
Report data errors or omissions
41,497 in Canadian Patents Database
Description:
The purpose of this tongs is to mutilate threads of bolts after the nuts have been tightened, so as to keep the nuts from working loose.

Corresponding U.S. patent no. 463,921 was issued Nov. 24, 1891.

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