US Patent: 363,709 - Micrometer-Gage


	Home\| FAQ	Search:Advanced\|Person\|Company\| Type\|Class	Login


Quick search:	Patent number:	Patent Date:

US Patent: 363,709

Micrometer-Gage

Patentee:

Andrew E. Whitmore (exact or similar names) - Springfield, MA

USPTO Classifications:

33/816

Tool Categories:

layout tools : measurement gauges

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

H. A. Chapin

G. M. Chamberlin

H. T. Bardwell

Patent Dates:
Applied:	Feb. 05, 1886
Granted:	May 24, 1887

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Ralph Brendler

Description:

A new method of construction for micrometers, designed to allow direct reading of inside or outside measurements.

Hermon Chapin is a witness on this patent, so it is likely that this tool was considered for production by Chapin, but it is not known if this tool was actually produced.