US2530749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control device with impulse drive
Assignee: Cons Dev & Improvements Corp
•
Filing: 1946-03-16
•
Granted: 1950-11-21
•
Expires: 1966-03-16
Abstract
No abstract record available.
Inventors
- 👤 Michel N Yardeny
- 👤 Simon A Goldberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:14
CPC Classifications
H; H02; H02P; H02P7/00; H02P7/06; H02P7/066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1743545A
Cited
US1831735A
Cited
US1885196A
Cited
US2173446A
Cited
US2262141A
Cited
US2440228A
Cited
US2461511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |