US Patent: D27,540
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| Movable Jaw For Wrenches
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Patentee:
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| John H. Vinton (exact or similar names) - Boston, MA |
| USPTO Classifications: |
| D8/22 |
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Patent Dates:
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| Applied: |
Sep. 19, 1896 |
| Granted: |
Aug. 17, 1897 |
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Patent Pictures:
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1 | 2
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John H. Vinton design patent Aug. 17, 1897 |
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Stan Schulz
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Description: |
| Adjustable jaw design for pipe wrenches, marked 'TRIMO PAT 1889-97'. It evolved from design patent no. D19,168.
The jaw design can appear on wrenches with handles and frames based on more recent patents. For example, the 6 inch wood handle example shown in the second photo in this entry has a frame corresponding to the May 27, 1890 patent (no. 429,088), but also incorporating the nut guard feature first patented on Dec. 19, 1911 (no. 1,012,036). |
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