US Patent: 1,008,826 - Butt Marker


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US Patent: 1,008,826

Conforming-Gage
Butt Marker

Patentee:

David S. Humphrey (exact or similar names) - Buffalo, NY

USPTO Classifications:

33/197

Tool Categories:

layout tools : marking gauges : butt gauges

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

C. J. Sangster

George A. Neubauer

Edwin F. Frey

Patent Dates:
Applied:	Mar. 16, 1911
Granted:	Nov. 14, 1911

Patent Pictures: [ 1 | 2 ]

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Description:

This tool attaches to a door frame, and provides reference surfaces for cutting all sides of a hinge mortise. It can be adjust to handle any size of hinge plate.

This same idea was improved upon many years later by Stanley (#1,879,454 - 9/27/32), and produced as their #281 butt hinge mortiser.