US Patent: 408,857
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Plow Clevis
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Patentee:
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William E. Sefton (exact or similar names) - Canton, OH |
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Patent Dates:
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Applied: |
May 10, 1889 |
Granted: |
Aug. 13, 1889 |
Patent Pictures:
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Patent 408,857 - edited image |
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Stan Schulz
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Description: |
The patented features focus on the locking lever and associated structures allowing the draft angle of the clevis to be adjusted and the adjustment locked. The swivel portion is noted in the specifications.
This is the second of two patents corresponding to patent dates shown in a PRINCESS Plow (Canton, OH) ad reprinted in P.T. Rathbone's "HISTORY OF OLD-TIME FARM IMPLEMENT COMPANIES and the WRENCHES THEY PRODUCED." 344,245 is the earlier patent. |
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