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US Patent: 142,936
Improvement in planing-machines
Solon W. Nelson - Worcester, MA

USPTO Classifications:
144/114.1, 144/116, 144/128, 144/130, 144/243, 144/36, 451/420, 79/8

Tool Categories:
woodworking machines : cutter head machines : wood planers
woodworking machines : woodworking machine parts or accessories : woodworking machine sharpening mechanisms


S. A. Woods Machine Co. - Boston, MA

J. C. Rice
J. Henry Hill

Patent Dates:
Applied: Feb. 27, 1873
Granted: Sep. 16, 1873

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for S. A. Woods Machine Co.
For integral sharpener etc.

This patent date was seen on an S. A. Woods planer. There is no direct evidence that this is the correct patent, but it is, by far, the most likely candidate.

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