US Patent: 2,578,686
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| Open-Sided-Socket Ratchet Wrench
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Patentee:
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| Herbert L. Fish (exact or similar names) - Los Angeles, CA |
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Patent Dates:
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| Applied: |
Apr. 27, 1945 |
| Granted: |
Dec. 18, 1951 |
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Patent Pictures:
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Herbert L. Fish Pat. Dec. 18, 1951 |
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Stan Schulz
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Description: |
| The title explains the patent. The open-sided sockets are designed to work on hydraulic lines in confined spaces in aircraft. The patent has 10 pages of alternate provisions for driving the ratchet head. This patent and no. 2,578,687 are cited on "crowfoot" open sided ratchet heads with matching socket sleeves produced by the Tubing Appliance Company of Los Angeles.
The patent cites patents 700,359, 732,055, 747,013, 784,876, 923,942, 1,060,135, 1,422,121, 1,578,065, 1,698,618, 1,811,666, 1,815,804, 1,890,213, 2,305,624, 2,353,901, & 2,376,575 as references. |
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