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US Patent: 301,079
Safety-Valve
Patentee:
Henry G. Ashton (exact or similar names) - Somerville, MA

USPTO Classifications:
137/536

Tool Categories:
propulsion and energy : steam apparatus : steam safety valves

Assignees:
None

Manufacturer:
Ashton Valve Co. - Boston, MA

Witnesses:
William Zittel
W. A. Copeland

Patent Dates:
Applied: Jul. 01, 1880
Granted: Jul. 01, 1884

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Ashton Valve Co.
Description:
Patented in England, 22 Sept., 1880, #3,849; in Belgium, 27 Sept., 1880, #52,656; in Canada, 28 Sept., 1880, #11,789; in France, 29 Sept., 1880, #138,867 and in Germany, 03 Oct., 1880, #13,446.

This patent provides improvements to the safety-valve of patent 200,119 and is a companion to patent 291,126.

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