US2843396A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid-pneumatic spring system
Assignee: Societe dInventions Aeronautiques et Mechaniques SIAM SA
•
Filing: 1954-05-26
•
Granted: 1958-07-15
•
Expires: 1974-05-26
Abstract
No abstract record available.
Inventors
- 👤 Lucien Rene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:15
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/06; F16F9/08; F16F9/082; B; B60; B60G; B60G17/00; B60G17/02; B60G17/04; B60G17/0408; B60G17/056; B60G17/0565; B60G21/00; B60G21/02; B60G21/06; B60G21/073; F16F9/32; F16F9/3278; F16F9/36; F16F9/365; F16F9/44; Y; Y10; Y10S; Y10S280/00; Y10S280/01; Y10S60/00; Y10S60/907
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2353503A
Cited
US2371553A
Cited
US2533226A
Cited
US2490311A
Cited
US2653021A
Cited
US2555427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |