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Patent number:
Patent Date:
US Patent: 2,287,456
Sealing Means
Patentee:
Roscoe C. Springston (
exact
or
similar
names) - Detroit, Wayne County, MI
USPTO Classifications:
277/515
,
92/135
,
92/194
,
92/249
Tool Categories:
industrial machines
:
industrial machine mechanisms
:
shaft seals
industrial tools
:
pressure regulators
Assignees:
Detroit Lubricator Co.
- Detroit, Wayne County, MI
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Mar. 28, 1940
Granted:
Jun. 23, 1942
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Detroit Lubricator Co.
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