Patent US3515431A successfully refreshed from Google Patents.
US3515431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle seat for children
Assignee: Individual
•
Filing: 1968-04-29
•
Granted: 1970-06-02
•
Expires: 1988-04-29
Abstract
No abstract record available.
Inventors
- 👤 Maurice J Grady
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:18
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/24; B60N2/26; B60N2/28; B60N2/2857; B60N2/2863; B60N2/2821; B60N2/2824; B60N2/283
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US460031A
Cited
US1217474A
Cited
US1567285A
Cited
US2653330A
Cited
US2986093A
Cited
US3088704A
Cited
US2973889A
Cited
US3207552A
Cited
US3206247A
Cited
US3351380A
Cited
US3409325A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |