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US Patent: 2,249,438
Instrument Case Lock
Patentee:
Norman J. Smith (exact or similar names) - Medfield, Norfolk County, MA

USPTO Classifications:
292/108, 292/241, 70/135, 70/78

Tool Categories:
industrial machines : industrial recording apparatus
gauges

Assignees:
Crosby Steam Gage & Valve Co. - Boston, Suffolk County, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 21, 1939
Granted: Jul. 15, 1941

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Crosby Steam Gage & Valve Co.

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