US2499176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiator cooling system, temperature control
Assignee: General Electric Co
•
Filing: 1946-09-20
•
Granted: 1950-02-28
•
Expires: 1966-09-20
Abstract
No abstract record available.
Inventors
- 👤 Robert W Barrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:44
CPC Classifications
F; F01; F01P; F01P7/00; F01P7/02; F01P7/10; F01P11/00; F01P11/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR317521A
Cited
US1352509A
Cited
US1803952A
Cited
US1902970A
Cited
US2189888A
Cited
US2279037A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-27 | 1953-08-29 | 1954-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-27 | 1957-08-29 | 1958-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-27 | 1961-08-29 | 1962-02-28 | $7700.00 | Window Closed / Lapsed |