US Patent: 1,828,173
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| Chain Pipe Wrench
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Patentee:
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| Francis J. Carnelli (exact or similar names) - New York, NY |
| USPTO Classifications: |
| 81/65 |
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Patent Dates:
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| Applied: |
Apr. 24, 1930 |
| Granted: |
Oct. 20, 1931 |
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Patent Pictures:
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Francis J. Carnelli patent Oct. 20, 1931 |
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Stan Schulz
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Description: |
| The patent claims the structure including jaw plates, the structure connecting the handle and jaw plates, the connection between the jaw plates and chain, and the means to adjust the working length of the chain.
This is the 2nd of two patents used for the E-ZEE TOOL MFG. CERTUL chain wrench; the 1st is 1,824,944.
Canadian patent CA-301,787 granted July 8, 1930 shares many features with this patent. |
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