US Patent: 141,915 - Micrometer Gage


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US Patent: 141,915

Micrometer Gage

Patentee:

Antoine Bónnaz (exact or similar names) - Paris, France

USPTO Classifications:

33/815

Tool Categories:

metalworking tools : machinist tools : measuring tools : micrometers

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Charles Desnos

Emile Duhan

Patent Dates:
Applied:	May 09, 1873
Granted:	Aug. 19, 1873

Patent Pictures:

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Description:

The invention relates to micrometer screwpresses for measuring articles in minute fractions, or with unusual accuracy, and will be first fully described and then clearly pointed out in the claims.