US3386422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compression-ignition engine
Assignee: IFP Energies nouvelles
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Filing: 1966-11-21
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Granted: 1968-06-04
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Expires: 1986-11-21
Abstract
No abstract record available.
Inventors
- 👤 Eyzat Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:04
CPC Classifications
F; F02; F02F; F02F3/00; F02F3/28; F02B; F02B19/00; F02B19/02; F02B19/04; F02B23/00; F02B23/02; F02B23/06; F02B23/0618; F02B23/063; F02B23/0645; F02B23/0648; F02B23/0651; F02B23/0678; F02B23/0684; F02B23/0696; F02B3/00; F02B3/06; F02B2275/00; F02B2275/16; F02B23/066; F02B2720/00; F02B2720/22; F02B2720/226; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |