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US Patent: 12,234
Bench plane
Patentee:
William C. Hopper (exact or similar names) - Pittsburgh, PA

USPTO Classifications:
30/490, 83/616, 83/698.21, 83/699.41

Tool Categories:
woodworking tools : planes : bench planes

Assignees:
None

Manufacturer:
William C. Hopper - Pittsburgh, PA
Ohio Tool Co. - Columbus, OH

Witnesses:
William N. Howard
N. B. Kenaston
Patent Dates:
Granted: Jan. 16, 1855

Patent Pictures:
A rare transitional plane by William C. Hopper with patented throat mechanism. Image courtesy and (C) Martin J. Donnely.
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Steve Reynolds
EAIA Chronicle article on the Hopper Patent Plane
Description:
Wooden bench plane with adjustable mouth. The wedge goes underneath the cutter rather than on top.

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