US3370575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resonant charging of rotary engines
Assignee: CONSTRUCTION ET D'EXPLOITATION DE MATERIELS ET MOTEURS Ste
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Filing: 1965-12-13
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Granted: 1968-02-27
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Expires: 1985-12-13
Abstract
No abstract record available.
Inventors
- 👤 Soubis Jean-Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:47
CPC Classifications
F; F02; F02B; F02B27/00; F02B27/02; F02B27/0205; F02B27/0215; F02B27/0221; F02B27/0226; F02B27/0247; F02B27/0252; F02B27/0263; F02B53/00; F02B75/00; F02B75/12; F02B2075/125; F02B27/0268; F02B27/0273; F02B2730/00; F02B2730/01; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1434446A
Cited
US1791490A
Cited
GB769041A
Cited
US3103208A
Cited
US3171395A
Cited
US3265046A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |