Patent JPS5886512A successfully refreshed from Google Patents.
US3111884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotors of rotary engines
Assignee: Renault SA
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Filing: 1962-03-15
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Granted: 1963-11-26
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Expires: 1982-03-15
Abstract
No abstract record available.
Inventors
- 👤 Peras Lucien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:04
CPC Classifications
F; F02; F02B; F02B53/00; F02B2053/005; F02B2730/00; F02B2730/01; F02B2730/018; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
IMPROVEMENTS IN ROTARY ENGINES COMPRISING IN A STATOR A ROTOR CARRIED BY A CRANKSHAFT AND FORMED WITH AN EPICYCLIC OUTER CONTOUR, CHARACTERIZED IN THAT SAID ROTOR CONSISTS OF A SEPARATE RING AND HUB ASSEMBLY, SAID HUB CONSISTING IN TURN OF A PLURALITY OF SECTIONS ASSEMBLED BY BOLTING OR OTHERWISE.
Claim 2
Dependent Claim
49 words
IMPROVEMENTS IN ROTARY ENGINES COMPRISING IN A STATOR A ROTOR CARRIED BY A CRANKSHAFT AND FORMED WITH AN EPICYCLIC OUTER CONTOUR, CHARACTERIZED IN THAT SAID ROTOR CONSISTS OF A SEPARATE RING AND HUB ASSEMBLY, SAID HUB CONSISTING IN TURN OF A PLURALITY OF SECTIONS ASSEMBLED BY BOLTING OR OTHERWISE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |