US3519240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seat suspension
Assignee: Swenson Corp
•
Filing: 1968-09-27
•
Granted: 1970-07-07
•
Expires: 1988-09-27
Abstract
No abstract record available.
Inventors
- 👤 Richard F Swenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:50
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/50; B60N2/502; B60N2/505; B60N2/506; B60N2/507; B60N2/52; B60N2/525
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR910582A
Cited
US3061260A
Cited
US3085778A
Cited
US3049330A
Cited
US3285562A
Cited
US3325136A
Cited
US3304044A
Cited
US3319920A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |