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Patent number:
Patent Date:
US Patent: 306,208
Safety Valves
Patentees:
Henry G. Ashton (
exact
or
similar
names) - Somerville, MA
Randall Gould (
exact
or
similar
names) - Boston, MA
USPTO Classifications:
137/469
,
137/540
Tool Categories:
propulsion and energy
:
steam apparatus
:
steam safety valves
Assignees:
Ashton Valve Co.
- Boston, MA
Manufacturer:
Ashton Valve Co.
- Boston, MA
Witnesses:
W. A. Copeland
John R. Snow
Patent Dates:
Applied:
Apr. 11, 1884
Granted:
Oct. 07, 1884
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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