Patent US2598421A successfully refreshed from Google Patents.
US2598421A
Expired / Lapsed
US
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Vertically adjustable seat for vehicles
Assignee: Stubnitz Greene Spring Corp
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Filing: 1947-07-21
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Granted: 1952-05-27
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Expires: 1967-07-21
Abstract
No abstract record available.
Inventors
- 👤 Page John Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:57
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/50; B60N2/504; B60N2/505; B60N2/506; B60N2/54; B60N2/544
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US697449A
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US1770321A
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US1929023A
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US2152024A
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US2142358A
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US2357825A
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US2367829A
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US2550170A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |