US Patent: 301,079 - Safety-Valve


	Home\| FAQ	Search:Advanced\|Person\|Company\| Type\|Class	Login


Quick search:	Patent number:	Patent Date:

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:

USPTO (New site tip)
Google Patents
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.