US2835826A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Series parallel starting circuit
Assignee: Individual
•
Filing: 1956-12-11
•
Granted: 1958-05-20
•
Expires: 1976-12-11
Abstract
No abstract record available.
Inventors
- 👤 Kenneth G Vadas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:50
CPC Classifications
F; F02; F02N; F02N11/00; F02N11/006; F02N11/08; F02N11/0862; F02N11/0866; F02N11/087; H; H02; H02J; H02J7/00; H02J7/14; H02J7/1423; H02J7/50; H02J7/575; H02J2105/00; H02J2105/30; H02J2105/33
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1067631A
Cited
US2248244A
Cited
US2344568A
Cited
US2521969A
Cited
US2725488A
Cited
US2761978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |