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US Patent: 13,957
Plane for Finishing Grooves in Patterns, &c.
Core Box Plane
Patentee:
John P. Robinson (exact or similar names) - Matteawan, NY

USPTO Classifications:
30/479

Tool Categories:
woodworking tools : planes : core box planes

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Chauncey Green
Adolphus Vandewater
Patent Dates:
Granted: Dec. 18, 1855

Patent Pictures:
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Report data errors or omissions to steward Steve Reynolds
Description:
The plane stock is in a triangular shape to allow forming semicircular grooves.

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