US2919069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostat
Assignee: ROSTRA ENGINEERED COMPONENTS Inc A CORP OF CT
•
Filing: 1956-09-13
•
Granted: 1959-12-29
•
Expires: 1976-09-13
Abstract
No abstract record available.
Inventors
- 👤 John S Freismuth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:25
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/021; G05D23/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1752116A
Cited
FR710360A
Cited
US2396138A
Cited
US2575100A
Cited
US2670933A
Cited
US2590759A
Cited
US2797873A
Cited
US2754062A
Cited
US2765983A
Cited
US2710146A
Cited
US2810524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |