US Patent: 18,161 - Mortising-chisel


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US Patent: 18,161

Mortising-chisel

Patentee:

John A. Scroggs (exact or similar names) - Burlington, VT

USPTO Classifications:

30/167

Tool Categories:

woodworking tools : chisels : mortise chisels

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Z. C. Robbins

George W. Adams

Patent Dates:
Granted:	Sep. 08, 1857

Patent Pictures:

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Description:

This chisel is intended for hub mortising machines and is yet another version of such a chisel that is designed to pull the waste out of the mortise when the chisel is extracted.

The inventor was assigned previous patents 13,307 and 14,337, related to a hub mortiser and a wheel-making machine, respectively.