Patent US2500496A successfully refreshed from Google Patents.
US2500496A
Expired / Lapsed
US
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Vehicle seat assembly
Assignee: Tenneco Automotive Inc
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Filing: 1944-12-11
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Granted: 1950-03-14
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Expires: 1964-12-11
Abstract
No abstract record available.
Inventors
- 👤 John M Nickelsen
- 👤 Charles E Read
- 👤 Roy G Spiess
- 👤 Boor Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:03
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/50; B60N2/504; B60N2/52; B60N2/522; B60N2/527; B60N2/54; B60N2/546
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR556818A
Cited
US1747932A
Cited
US1777463A
Cited
US1964405A
Cited
FR776948A
Cited
US2162476A
Cited
US2308446A
Cited
US2284352A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |