US2667182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure-responsive membrane and movement limiting means therefor
Assignee: Automobiles Citroen SA
•
Filing: 1948-05-26
•
Granted: 1954-01-26
•
Expires: 1968-05-26
Abstract
No abstract record available.
Inventors
- 👤 Rostu George Levesque Du
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:47
CPC Classifications
F; F02; F02M; F02M61/00; F02M61/04; F02M61/10; F02M61/16; F02M2700/00; F02M2700/07; F02M2700/074
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1062300A
Cited
US1183486A
Cited
US1489349A
Cited
US1516630A
Cited
US1814443A
Cited
US1732052A
Cited
US2220902A
Cited
CH239080A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |