US2496449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal-combustion engine
Assignee: Fairbanks Morse and Co
•
Filing: 1946-03-18
•
Granted: 1950-02-07
•
Expires: 1966-03-18
Abstract
No abstract record available.
Inventors
- 👤 Henry N Edens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:49
CPC Classifications
F; F02; F02B; F02B75/00; F02B75/16; F02B77/00; F02B77/14; F01; F01M; F01M1/00; F01M1/02; F02B75/02; F02B2075/022; F02B2075/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1459563A
Cited
US1139578A
Cited
US1341152A
Cited
US1554350A
Cited
US1647434A
Cited
US1631185A
Cited
US2040847A
Cited
US1731823A
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 |