US3314682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lateral sealing rings for rotary engines
Assignee: Renault SA
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Filing: 1964-05-18
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Granted: 1967-04-18
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Expires: 1984-05-18
Abstract
No abstract record available.
Inventors
- 👤 Peras Lucien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:55
CPC Classifications
F; F01; F01C; F01C19/00; F01C19/08; F16; F16J; F16J9/00; F16J9/06; F16J9/061; F16J9/063; F16J9/064; F16J9/066; F16J9/067; F16J9/068
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) | 1970-04-17 | 1970-10-17 | 1971-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-17 | 1974-10-17 | 1975-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-17 | 1978-10-17 | 1979-04-18 | $7700.00 | Window Closed / Lapsed |