US Patent: 1,877,307 - Tolerance zone on gauges


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US Patent: 1,877,307

Tolerance zone on gauges

Patentee:

James Hartness (exact or similar names) - Springfield, VT

USPTO Classifications:

Tool Categories:

metalworking tools : machinist tools : measuring tools : thread gages

Assignees:

None

Manufacturer:

Jones & Lamson Machine Co. - Springfield, VT

Witnesses:

Unknown

Patent Dates:
Applied:	Aug. 23, 1928
Granted:	Sep. 13, 1932

Patent Pictures:

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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Jones & Lamson Machine Co.

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