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Patent number:
Patent Date:
US Patent: 1,904,311
Fluid Pressure Switch
Patentee:
Franklin Gatfield Hobart (
exact
or
similar
names) - Beloit, Rock County, WI
USPTO Classifications:
200/285
,
200/83P
,
74/100.1
Tool Categories:
electrical devices
:
electric switches
:
pressure controlled switches
Assignees:
Fairbanks, Morse & Co.
- Chicago, Cook County, IL
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Feb. 17, 1930
Granted:
Apr. 18, 1933
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Fairbanks Morse & Co.
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