US Patent: 344,620
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| Check-valve
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Patentee:
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| John G. Blount (exact or similar names) - Boston, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 21, 1885 |
| Granted: |
Jun. 29, 1886 |
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Jeff Joslin
Vintage Machinery entry for J. G. Blount & Co.
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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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