US2070447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alternating-current motor
Assignee: General Electric Co
•
Filing: 1936-02-04
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Granted: 1937-02-09
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Expires: 1956-02-04
Abstract
No abstract record available.
Inventors
- 👤 Wayne J Morrill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:41
CPC Classifications
H; H02; H02K; H02K19/00; H02K19/02; H02K19/04; H02K19/08; A; A23; A23L; A23L19/00; A23L19/10; A23L19/12; A23L19/18; A23L5/00; A23L5/10; A23L5/11; H02K21/00; H02K21/12; H02K21/14; H02K21/18; H02K21/22; H02K21/227
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) | 1940-02-09 | 1940-08-10 | 1941-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-02-09 | 1944-08-10 | 1945-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-02-09 | 1948-08-10 | 1949-02-09 | $7700.00 | Window Closed / Lapsed |