US Patent: 348,674 - Combined Panel-Gage, Measuring-Rod, And Trammel


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US Patent: 348,674

Combined Panel-Gage, Measuring-Rod, And Trammel

Patentee:

Frank A. Humphrey (exact or similar names) - Worcester, MA

USPTO Classifications:

33/42

Tool Categories:

layout tools : marking gauges

rules : measuring rods

layout tools : compasses : trammels

Assignees:

None

Manufacturer:

Unknown

Witnesses:

Charles Burleigh

S. R. Barton

H. P. Barton

Patent Dates:
Applied:	Apr. 29, 1886
Granted:	Sep. 07, 1886

Patent Pictures:

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Description:

A telescoping panel gage with micrometer adjust and built-in trammels. This gage and his other patented design (349102) use a locking mechanism supposedly patented by same inventor, but the number in the specification (199,275) is a different patent.