US2523714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable pneumatic suspension spring and shock absorbing device
Assignee: SVEN ARILD NILSSON SWALLERT
•
Filing: 1945-06-19
•
Granted: 1950-09-26
•
Expires: 1965-06-19
Abstract
No abstract record available.
Inventors
- 👤 Nilsson Sven Arild
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:43
CPC Classifications
B; B60; B60G; B60G17/00; B60G17/02; B60G17/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1011560A
Cited
US1151350A
Cited
US1291016A
Cited
US1366318A
Cited
US1289728A
Cited
US1244752A
Cited
US2057893A
Cited
US2353293A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-25 | 1954-03-27 | 1954-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-25 | 1958-03-27 | 1958-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-25 | 1962-03-27 | 1962-09-26 | $7700.00 | Window Closed / Lapsed |