US2481135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle cooling system
Assignee: Individual
•
Filing: 1948-02-19
•
Granted: 1949-09-06
•
Expires: 1968-02-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Sterling E Maness
- 👤 Sr Sterling E Maness
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:41
CPC Classifications
F; F01; F01P; F01P11/00; F01P11/02; F01P9/00; F01P9/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1003290A
Cited
US2343388A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-05 | 1953-03-07 | 1953-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-05 | 1957-03-07 | 1957-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-05 | 1961-03-07 | 1961-09-06 | $7700.00 | Window Closed / Lapsed |