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Patent US3223447A successfully refreshed from Google Patents.
US3223447A
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US
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Back rest attachment for motor vehicle seats
Assignee: TERVIT GESTIONE BREVETTI Srl
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Filing: 1964-10-20
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Granted: 1965-12-14
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Expires: 1984-10-20
Abstract
No abstract record available.
Inventors
- 👤 Terracini Vittorio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:23
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/36; A47C7/38; A47C7/383; B; B60; B60N; B60N2/00; B60N2/80; B60N2/882
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2615501A
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US2711787A
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |