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US Patent: 408,857
Plow Clevis
Patentee:
William E. Sefton (exact or similar names) - Canton, OH

USPTO Classifications:
278/96.2

Tool Categories:
agricultural : clevises

Assignees:
None

Manufacturer:
Princess Plow Co. - Canton, OH

Witnesses:
Amos Serva
Geo. F. Schroyer

Patent Dates:
Applied: May 10, 1889
Granted: Aug. 13, 1889

Patent Pictures:
Patent 408,857 - edited image
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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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