US2978252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suspension system for land wheeled vehicles
Assignee: Individual
•
Filing: 1957-08-19
•
Granted: 1961-04-04
•
Expires: 1977-08-19
Abstract
No abstract record available.
Inventors
- 👤 Osborne Charles Vernon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:28
CPC Classifications
B; B60; B60G; B60G5/00; B60G5/04; B60G5/053
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US308933A
Cited
US675541A
Cited
US1842074A
Cited
US1950175A
Cited
US2091090A
Cited
US2080123A
Cited
US2166135A
Cited
US2288246A
Cited
US2589948A
Cited
US2848245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |