Patent US2480120A successfully refreshed from Google Patents.
US2480120A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil cooler control
Assignee: United Aircraft Products Inc
•
Filing: 1944-06-09
•
Granted: 1949-08-30
•
Expires: 1964-06-09
Abstract
No abstract record available.
Inventors
- 👤 Cruzan Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:10
CPC Classifications
F; F01; F01P; 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)
US1913680A
Cited
FR846300A
Cited
US2291637A
Cited
US2348212A
Cited
US2354362A
Cited
US2368182A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-29 | 1953-02-28 | 1953-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-29 | 1957-02-28 | 1957-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-29 | 1961-02-28 | 1961-08-30 | $7700.00 | Window Closed / Lapsed |