US3286698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary engines
Assignee: Renault SA
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Filing: 1964-01-02
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Granted: 1966-11-22
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Expires: 1984-01-02
Abstract
No abstract record available.
Inventors
- 👤 Peras Lucien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:28
CPC Classifications
F; F02; F02B; F02B55/00; F02B55/14; 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
83 words
ROTARY ENGINE COMPRISES A ROTOR HAVING N LOBES REVOLVING WITHIN A STATOR HAVING (N+1) LOBES TO CONSTITUTE (N+1) WORKING CHAMBERS HAVING EACH A COMBUSTION CHAMBER ASSOCIATED THEREWITH, SAID STATOR CONSISTING OF TWO LATERAL BEARING PLATES AND OF A MEMBER SURROUNDING THE ROTOR PERIPHERY, SAID ENGINE BEING CHARACTERIZED IN THAT SAID PERIPHERAL MEMBER CONSISTS OF A PLURALTIY OF SEPARATE ELEMENTS HALF OF WHICH ARE BRACING MEMBERS AND DISTANCE-PIECES, AND THE REMAINDER ARE COMBUSTION HEADS EACH FORMED WITH A COMBUSTION CHAMBER AND ADATPED TO RE-
Claim 2
Dependent Claim
83 words
ROTARY ENGINE COMPRISES A ROTOR HAVING N LOBES REVOLVING WITHIN A STATOR HAVING (N+1) LOBES TO CONSTITUTE (N+1) WORKING CHAMBERS HAVING EACH A COMBUSTION CHAMBER ASSOCIATED THEREWITH, SAID STATOR CONSISTING OF TWO LATERAL BEARING PLATES AND OF A MEMBER SURROUNDING THE ROTOR PERIPHERY, SAID ENGINE BEING CHARACTERIZED IN THAT SAID PERIPHERAL MEMBER CONSISTS OF A PLURALTIY OF SEPARATE ELEMENTS HALF OF WHICH ARE BRACING MEMBERS AND DISTANCE-PIECES, AND THE REMAINDER ARE COMBUSTION HEADS EACH FORMED WITH A COMBUSTION CHAMBER AND ADATPED TO RE-
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |