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US2650655A
Expired / Lapsed
US
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Multidirectional inertia-operated safety device for vehicle chairs
Assignee: American Seating Co
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Filing: 1950-11-13
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Granted: 1953-09-01
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Expires: 1970-11-13
Abstract
No abstract record available.
Inventors
- 👤 William R Neahr
- 👤 Robert L Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:50
CPC Classifications
B; B60; B60R; B60R22/00; B60R22/34; B60R22/36; B60R22/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2223097A
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US2240085A
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US2403653A
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US2480335A
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US2433950A
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US2557313A
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US2434119A
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US2499993A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |