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FX Patent: FX-9,527
Horse Power
Patentee:
Daniel Fitzgerald (exact or similar names) - New York, NY

USPTO Classifications:
185/15

Tool Categories:
propulsion and energy : animal powered apparatus

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Mar. 19, 1836

Patent Pictures:
Report data errors or omissions to steward Joel Havens
X-Patents
Description:
FX patents are fractional X patents. This patent is #9527 1/2.

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

There is a discrepancy as to the date of this patent and it's subsequent patent number. The Patent and Trademark Depository Library Program list of Name and Date Patents July 31, 1790-July 2, 1836 list on page 190, this patent as issued on March 19, 1836 with the assigned patent number 9527½. Other books including A List of Patents Issued by the United States, from 1790 to 1847, 1847, pgs. 325 & 515, lists two patents issued to Daniel Fitzgerald on October 19, 1836.

We are listing the second patent as number NX-183,610,191. This patent is not in the USPTO database of patents.

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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