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Patent number:
Patent Date:
US Patent: 1,669,873
Snap Gauge
Patentee:
Frank O. Hoagland (
exact
or
similar
names) - Bridgeport, Fairfield County, CT
USPTO Classifications:
33/501.09
Tool Categories:
metalworking tools
:
machinist tools
:
measuring tools
:
snap gages
Assignees:
Pratt & Whitney Co.
- New York, NY
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Sep. 14, 1926
Granted:
May 15, 1928
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Pratt, Whitney & Co.
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