Patent US3390857A successfully refreshed from Google Patents.
US3390857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient car-seat carriage
Assignee: NORDPATENT AB
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Filing: 1966-06-06
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Granted: 1968-07-02
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Expires: 1986-06-06
Abstract
No abstract record available.
Inventors
- 👤 Nystrom Karl Gosta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:28
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/70; B60N2/7023; B60N2/7035; B60N2/7047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2318583A
Cited
US2630854A
Cited
DE805601C
Cited
US2986199A
Cited
US3183854A
Cited
US3076628A
Cited
GB930903A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |