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Patent number:
Patent Date:
US Patent: 731,872
Motor Mechanism
Patentee:
Francis G. Echols (
exact
or
similar
names) - Hartford, Hartford County, CT
USPTO Classifications:
91/39
,
92/7
,
92/88
Tool Categories:
metalworking machines
:
indexers and dividers
Assignees:
Pratt & Whitney Co.
- Hartford, Hartford County, CT
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Dec. 18, 1902
Granted:
Jun. 23, 1903
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Pratt, Whitney & Co.
Description:
Original application filed 25 Aug., 1902. Divided and the application filed 18 Dec., 1902.
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