US2549265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible split-phase motor
Assignee: Brown Brockmeyer Co
•
Filing: 1949-06-24
•
Granted: 1951-04-17
•
Expires: 1969-06-24
Abstract
No abstract record available.
Inventors
- 👤 James L Trant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:24
CPC Classifications
H; H02; H02K; H02K17/00; H02K17/02; H02K17/04; H02K17/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1024635A
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DE598544C
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GB319684A
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US1944090A
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GB415853A
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US2063311A
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US2195287A
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US2320419A
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US2408369A
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US2442456A
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US2478848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |