Patent US4473474A successfully refreshed from Google Patents.
Patent US2164633A successfully refreshed from Google Patents.
US2164633A
Expired / Lapsed
US
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Electric motor
Assignee: UTAH RADIE PRODUCTS Co
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Filing: 1937-10-15
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Granted: 1939-07-04
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Expires: 1957-10-15
Abstract
No abstract record available.
Inventors
- 👤 Edward L Barrett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:36
CPC Classifications
H; H03; H03J; H03J1/00; H03J1/18; H03J1/20; H02; H02K; H02K7/00; H02K7/10; H02K7/12; H02K7/125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-07-03 | 1943-01-02 | 1943-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-07-03 | 1947-01-02 | 1947-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-07-03 | 1951-01-02 | 1951-07-04 | $7700.00 | Window Closed / Lapsed |