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

Quick search:	Patent number:	Patent Date:

US Patent: 921,360
Safety-Valve
Patentee: Frederick Casey (exact or similar names) - Billerica, Middlesex County, MA USPTO Classifications: 137/472, 137/475, 137/543.23 Tool Categories: propulsion and energy : steam apparatus : steam safety valves Assignees: Frederick Casey - Billerica, Middlesex County, MA Ashton Valve Co. - Boston, Middlesex County, MA Manufacturer: Ashton Valve Co. - Boston, Middlesex County, MA Witnesses: Unknown	Patent Dates: Applied: May 05, 1906 Granted: May 11, 1909 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Ashton Valve Co.

Copyright © 2002-2024 - DATAMP