Patent US3547486A successfully refreshed from Google Patents.
US3547486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable head rest for vehicle seats
Assignee: KURT HERZER Firma
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Filing: 1969-02-25
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Granted: 1970-12-15
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Expires: 1989-02-25
Abstract
No abstract record available.
Inventors
- 👤 Kurt Herzer
- 👤 Wolfgang Mertens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:25
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/36; A47C7/38; B; B60; B60N; B60N2/00; B60N2/80; B60N2/806; B60N2/809; B60N2/812; B60N2/818; B60N2/838; B60N2/841; B60N2/85; B60N2/894
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |