US2845552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric motor
Assignee: Westinghouse Electric Corp
•
Filing: 1955-09-26
•
Granted: 1958-07-29
•
Expires: 1975-09-26
Abstract
No abstract record available.
Inventors
- 👤 Donald L Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:17
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/16; H02K5/167; H02K5/1672
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US552961A
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US982165A
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US928771A
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US1400055A
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US1677936A
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US1896972A
Cited
US1978484A
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US2046982A
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US2448500A
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US2484166A
Cited
US2668086A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-28 | 1962-01-27 | 1962-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-28 | 1966-01-27 | 1966-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-28 | 1970-01-27 | 1970-07-29 | $7700.00 | Window Closed / Lapsed |