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US Patent: D2,674
Design for Plow Clevis
Design for a Plough-Clevis
Patentee:
George P. Darrow (exact or similar names) - Cincinnati, OH

USPTO Classifications:
D15/11

Tool Categories:
agricultural : clevises
wrenches

Assignees:
James L. Haven & Co. - Cincinnati, OH

Manufacturer:
Not known to have been produced

Witnesses:
Geo. H. Knight
James H. Layman

Patent Dates:
Granted: Jun. 18, 1867

Patent Pictures:
George P. Darrow Pat. June 18, 1867
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"Vintage Machinery" entry for James L. Haven & Co.
Description:
The design includes a wrench-head pin and appears to complement Darrow's utility patent no. 57,436 issued Aug. 21, 1866. Darrow's Dec. 14, 1869 plow clevis design (pat. no. D3,785) is a more elaborate piece.

An 1888 FARM IMPLEMENT NEWS BUYERS GUIDE lists James L. Haven Co, Cincinnati as a clevis manufacturer.

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