US3437304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seat with biflex spring cushioning and rebound checking
Assignee: FREDERICK J DECKER
•
Filing: 1966-08-29
•
Granted: 1969-04-08
•
Expires: 1986-08-29
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Decker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:17
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/50; B60N2/502; B60N2/505; B60N2/54; B60N2/548
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US593068A
Cited
US1758451A
Cited
US1734776A
Cited
US2574057A
Cited
FR1142427A
Cited
US3233859A
Cited
US3325137A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |