US Patent: 468,519 - Micrometer Gage


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US Patent: 468,519

Micrometer Gage

Patentee:

Robert B. Haines, Jr. (exact or similar names) - Coatesville, PA

USPTO Classifications:

33/704, 33/813

Tool Categories:

metalworking tools : machinist tools : measuring tools : micrometers

Assignees:

None

Manufacturer:

Haines Gauge Co. - Philadelphia, PA

Witnesses:

Henry Howson

Eugene Elterich

Patent Dates:
Applied:	Oct. 27, 1891
Granted:	Feb. 09, 1892

Patent Pictures: [ 1 | 2 ]

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Description:

The object of my invention is to so construct a micrometer-gage that material for instance, hot plates in a rolling-mill can be measured without the measurer coming close to the plates.