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CA Patent: CA-3,964
Safety Valve
Soupape de Surete
Patentee:
Edward Halliday Ashcroft (exact or similar names) - Lynn, Essex County, MA

USPTO Classifications:

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 25, 1874
Granted: Oct. 16, 1874

Patent Pictures:
CIPO Data
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Ashcroft Mfg. Co.

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