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US Patent: 291,126
Safety-Valve
Patentee:
Henry G. Ashton (exact or similar names) - Somerville, MA

USPTO Classifications:
137/478

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

Assignees:
None

Manufacturer:
Ashton Valve Co. - Boston, MA

Witnesses:
William Zittel
John R. Snow

Patent Dates:
Applied: Sep. 10, 1880
Granted: Jan. 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:
This invention and its companion, 301,079, were granted several foreign patents including Canada CA-11,789 and Great Britain GB-188,003,849. This patent provides an improvement to patent 122,756.

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