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US Patent: 229,881
Pump Valve
Patentee:
Harvey F. Gaskill - Lockport, Niagara County, NY

USPTO Classifications:
137/533.21, 137/906

Tool Categories:
industrial machines : pumps : pump valves

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 23, 1880
Granted: Jul. 13, 1880

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Holly Mfg. Co.

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