US Patent: D59,417
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| Socket Wrench
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Patentee:
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| David F. Graham (exact or similar names) - Coudersport, PA |
| USPTO Classifications: |
| D8/29 |
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Patent Dates:
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| Applied: |
Mar. 22, 1920 |
| Granted: |
Oct. 18, 1921 |
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Patent Pictures:
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David F. Graham patent October 18, 1921 |
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Stan Schulz
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Description: |
| The socket has a flared rim around the base with the hex driver opening. The lip forms a catch for the spring clip on the handle. The patent term was 3 1/2 years.
The GRAHAM socket wrench set was advertised in June, 1920 AUTOMOBILE TOPICS. The set is shown with a hexagonal rod handle and spring clip corresponding to patent no. 1,328,428 and sockets matching this design. An edited copy of the ad is appended to the DATAMP entry for 1,328,428. |
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