US2608676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Induction motor control system
Assignee: Bendix Aviation Corp
•
Filing: 1946-01-10
•
Granted: 1952-08-26
•
Expires: 1966-01-10
Abstract
No abstract record available.
Inventors
- 👤 Alan M Maccallum
- 👤 Hargreaves William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:09
CPC Classifications
H; H02; H02P; H02P27/00; H02P27/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US808944A
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US1713223A
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US1797268A
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US1959804A
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US1816717A
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US1844704A
Cited
US1858425A
Cited
US1902462A
Cited
US2281593A
Cited
US2228078A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |