CA Patent: CA-41,497
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| Apparatus For Mutilating The Threads of Bolts
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Patentee:
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| Samuel Rufer (exact or similar names) - New Philadelphia, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Jan. 11, 1893 |
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Patent Pictures:
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Samuel Rufer patent January 11, 1893 edited from CANADIAN PATENT OFFICE RECORD |
CIPO Data
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Stan Schulz
41,497 in Canadian Patents Database
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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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