US2941578A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seat retainer for automobiles
Assignee: JOHN R WALKER III
•
Filing: 1956-11-02
•
Granted: 1960-06-21
•
Expires: 1976-11-02
Abstract
No abstract record available.
Inventors
- 👤 June B Mann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:27
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/24; B60N2/26; B60N2/28; B60N2/2857; B60N2/286; B60N2/283; B60N2/2839
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1673433A
Cited
US2288692A
Cited
US2530384A
Cited
US2602488A
Cited
US2650650A
Cited
US2685331A
Cited
US2818274A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |