US Patent: 455,067 - Electro-magnetic motor


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US Patent: 455,067

Electro-magnetic motor

Patentee:

Nikola Tesla (exact or similar names) - New York, NY

USPTO Classifications:

307/109, 318/821

Tool Categories:

electrical devices : electric motors : multiphase motors

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Frank B. Murphy

Parker W. Page

Patent Dates:
Applied:	Jan. 27, 1891
Granted:	Jun. 30, 1891

Patent Pictures:

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Description:

This patent is related to Tesla's two-phase motor system that he developed beginning in the late 1880s. Westinghouse paid Tesla $150,000 for the rights to that technology but was not able to commercialize it; see patent 422,746 for more information.