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US Patent: 2,001,375
Safety Valve
Patentee:
Harry S. Baker (exact or similar names) - Arlington, Middlesex County, MA

USPTO Classifications:
137/472, 137/475, 137/543.23

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

Assignees:
Ashton Valve Co. - Cambridge, Middlesex County, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 22, 1930
Granted: May 14, 1935

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Ashton Valve Co.

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