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FX Patent: FX-3,112
Boat
Propelling boats by horse power
Patentees:
Barnabas Langdon (exact or similar names) - Troy, NY
John C. Langdon (exact or similar names) - Troy, NY

USPTO Classifications:
1/1

Tool Categories:
propulsion and energy : nautical propulsion apparatus

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Jun. 05, 1819

Patent Pictures: [ 1 | 2 ]
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X-Patents
USPTO Images
USPTO Info
Description:
FX patents are fractional X patents. This patent is #3112 1/2.

Only about 2000 of the almost 10000 X-patent documents were recovered.

Because of the Patent Office fire in Dec. 1836, little is known about this patent. There are no patent drawings available. This patent is in the database for reference only.

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