US3382850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the controlled combustion of lean mixtures in internal combustion engines
Assignee: IFP Energies nouvelles
•
Filing: 1965-12-20
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Granted: 1968-05-14
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Expires: 1985-12-20
Abstract
No abstract record available.
Inventors
- 👤 Baudry Jean
- 👤 Chopin Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:13
CPC Classifications
F; F02; F02M; F02M1/00; F01; F01L; F01L3/00; F01L3/06; F02B; F02B17/00; F02B19/00; F02B19/12; F02M21/00; F02B1/00; F02B1/02; F02B1/04; F02B43/00; F02M2700/00; F02M2700/12; F02M2700/126; F02M2700/43; F02M2700/4302; F02M2700/4392; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3124113A
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US1803461A
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US1799397A
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US2242990A
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US3087480A
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US3213839A
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US3283751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |