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Patent number:
Patent Date:
US Patent: 2,034,222
Valve
Patentee:
Harry S. Baker (
exact
or
similar
names) - Arlington, Middlesex County, MA
USPTO Classifications:
137/339
,
137/564
Tool Categories:
propulsion and energy
:
steam apparatus
:
steam safety valves
Assignees:
Ashton Valve Co.
- Cambridge, Middlesex County, MA
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Jan. 30, 1930
Granted:
Mar. 17, 1936
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Ashton Valve Co.
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