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US Patent: 8,172X
Endless chain pump
Patentees:
Hiram A. Pitts (exact or similar names) - Livermore, ME
John A. Pitts (exact or similar names) - Livermore, ME

USPTO Classifications:
417/320

Tool Categories:
industrial machines : pumps : chain pumps

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Apr. 28, 1834

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Buffalo Pitts Co.
Description:
Most of the patents prior to 1836 were lost in the Dec. 1836 fire. Only about 2,000 of the almost 10,000 documents were recovered. Little is known about this patent. Only the patent drawing is available. This patent is in the database for reference only.

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