US2875810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient seat structure
Assignee: Hickman Ind Inc
•
Filing: 1956-12-06
•
Granted: 1959-03-03
•
Expires: 1976-12-06
Abstract
No abstract record available.
Inventors
- 👤 Allison K Simons
- 👤 Arthur O Radke
- 👤 Joseph A Champa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:25
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/68; B60N2/682; B60N2/50; B60N2/502; B60N2/505; B60N2/506; B60N2/54; B60N2/548
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US208083A
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US521463A
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US1569670A
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US2500496A
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US2590859A
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US2628657A
Cited
US2681686A
Cited
US2691406A
Cited
US2685913A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |