US2895292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel and exhaust gas combustion control of an internal combustion engine
Assignee: Motors Liquidation Co
•
Filing: 1956-10-10
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Granted: 1959-07-21
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Expires: 1976-10-10
Abstract
No abstract record available.
Inventors
- 👤 Joseph T Wentworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:16
CPC Classifications
F; F02; F02D; F02D37/00; F02D37/02; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/18; F02D39/00; F01N3/24; F01N3/26; F01N3/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2488563A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |