Patent US2497029A successfully refreshed from Google Patents.
US2497029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil pressure control and warning device
Assignee: Carter Carburetor Corp
•
Filing: 1946-12-30
•
Granted: 1950-02-07
•
Expires: 1966-12-30
Abstract
No abstract record available.
Inventors
- 👤 Alfred C Korte
- 👤 Alex N Szwargulski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:03
CPC Classifications
F; F01; F01M; F01M1/00; F01M1/18; F01M1/20; F01M1/22; F01M1/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1768446A
Cited
US872039A
Cited
US1144101A
Cited
US1422853A
Cited
US1545956A
Cited
US1460500A
Cited
US1850963A
Cited
FR796624A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |