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US Patent: 409,921
Combined Surface, Scratch, and Depth-Gage
Patentee:
Thomas Edward Cassidy - Hoosick Falls, NY

USPTO Classifications:
33/32.2, 33/42

Tool Categories:
layout tools : measurement gauges : surface gauges
layout tools : marking gauges
layout tools : measurement gauges : depth gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Thomas R. Keefe
Thomas M. Quinlan
Donn Twitchell
C. Sedgwick

Patent Dates:
Applied: Oct. 15, 1888
Granted: Aug. 27, 1889

Patent Pictures:
USPTO pdf tiff
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Description:
Yet another combination surface gage and machinist's scratch gage, much like the Walker patent (359336). As usual, there is a micro-adjuster, but this one uses a slightly different actuating mechanism.

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