US2935053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two stroke engines
Assignee: Automobiles Citroen SA
•
Filing: 1956-11-27
•
Granted: 1960-05-03
•
Expires: 1976-11-27
Abstract
No abstract record available.
Inventors
- 👤 Brueder Antoine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:26
CPC Classifications
F; F02; F02B; F02B25/00; F02M; F02M69/00; F02M69/46; F02M69/50; F02B2720/00; F02B2720/23; F02B2720/237; F02M2700/00; F02M2700/05; F02M2700/055
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2012998A
Cited
US2078934A
Cited
US2260688A
Cited
US2244669A
Cited
US2245562A
Cited
US2383979A
Cited
GB722388A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |