US3378726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shockproof auto seat and seat cover
Assignee: NORMAN L LANKOW
•
Filing: 1966-06-06
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Granted: 1968-04-16
•
Expires: 1986-06-06
Abstract
No abstract record available.
Inventors
- 👤 Norman L Lankow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:04
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/14; H; H05; H05F; H05F3/00; H05F3/02
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) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |