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US Patent: 344,620
Check-valve
Patentee:
John G. Blount - Boston, MA

USPTO Classifications:
137/533

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
F. Cutter
B. J. Noyes

Patent Dates:
Applied: Feb. 21, 1885
Granted: Jun. 29, 1886

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"Vintage Machinery" entry for J. G. Blount & Co.
Description:
"This invention has for its object to simplify and improve the construction of check-valves adapted to be used in or as connections between horizontally-arranged pipes employed for the circulation of steam or fluids." The patent is of interest because the inventor went on to found lathe maker J. G. Blount & Co.

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