US Patent: 502,906


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US Patent: 502,906

Plane

Patentee:

Louis Hardt (exact or similar names) - Yuba City, CA

USPTO Classifications:

30/490

Tool Categories:

woodworking tools : planes : chamfer planes

woodworking tools : planes : plane adjustment mechanisms : plane throat adjustments

Assignees:

None

Manufacturer:

Unknown

Witnesses:

Wm. F. Booth

H. A. Schultze

Patent Dates:
Applied:	Nov. 03, 1892
Granted:	Aug. 08, 1893

Patent Pictures: [ 1 | 2 ]

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Description:

Known example (pic 2) sold by Martin J. Donnelly and described as "A rare "Hardt patent" smoothing plane by Louis J. Hardt, Yuba City, California. patented August 8, 1893."