Patent US2740468A successfully refreshed from Google Patents.
US2740468A
Expired / Lapsed
US
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Seat having adjustable deflection rate
Assignee: Rockwell Spring and Axle Co
•
Filing: 1954-04-22
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Granted: 1956-04-03
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Expires: 1974-04-22
Abstract
No abstract record available.
Inventors
- 👤 August T Gonia
- 👤 Harry H Fante
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:17
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/28; A47C7/30; 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)
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Cited
GB191213849A
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US1278730A
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US1777463A
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US2049550A
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US2087254A
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US2266092A
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US2548066A
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US2630585A
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US2633903A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |