Patent US2812802A successfully refreshed from Google Patents.
US2812802A
Expired / Lapsed
US
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Adjustable head rest
Assignee: National Seating Co
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Filing: 1955-08-09
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Granted: 1957-11-12
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Expires: 1975-08-09
Abstract
No abstract record available.
Inventors
- 👤 George F Gielow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:52
CPC Classifications
B; B64; B64D; B64D25/00; B64D25/02; B64D25/06; B60; B60N; B60N2/00; B60N2/80; B60N2/806; B60N2/838; B60N2/841; B60N2/847
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-11 | 1961-05-13 | 1961-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-11 | 1965-05-13 | 1965-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-11 | 1969-05-13 | 1969-11-12 | $7700.00 | Window Closed / Lapsed |