US Patent: 493,737
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| Pipe Wrench
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Patentee:
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| James A. Smith (exact or similar names) - Cleavesville, MO |
| USPTO Classifications: |
| 81/94 |
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Patent Dates:
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| Applied: |
Jun. 13, 1892 |
| Granted: |
Mar. 21, 1893 |
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Patent Pictures:
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1 | 2
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James A. Smith patent March 21, 1893 |
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Stan Schulz
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Description: |
| The swinging movable jaws swing independently from a common pivot so they can be used individually or in combination.
Corresponding Canadian patent no. CA-44,591 was issued October 28, 1893, and British patent GB-189309599 was registered May 13, 1893.
A known example has "SMITH PIPE WRENCH" and the patent date on opposite sides of the malleable handle, and the patent date on a swinging jaw segment. |
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