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US Patent: 181,649
Improvement in Plane-Irons
Patentee:
Henry Disston (exact or similar names) - Philadelphia, PA

USPTO Classifications:
30/493

Tool Categories:
woodworking tools : planes : plane blades

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
A. H. Shoemaker
George S. Gaudy

Patent Dates:
Applied: Apr. 29, 1876
Granted: Aug. 29, 1876

Patent Pictures:
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Description:
The indentations on the bevel face, as well as the plane iron itself, are formed in a pair of dies - saving on tool steel. In addition, the indentations are intended to lessen the material to be removed, and the labor necessary, while grinding and honing the iron.

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