US3588811A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Warning device for use with seatbelts
Assignee: ZF International UK Ltd
•
Filing: 1968-04-11
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Granted: 1971-06-28
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Expires: 1988-04-11
Abstract
Abstract WHEN A SEATBELT ON A ROAD VEHICLE IS FASTENED, THE ENDS OF TWO OPTICAL CABLES ASSOCIATED WITH THE TWO PARTS OF THE SEATBELT ARE ALIGNED, AND LIGHT PASSES THROUGH ONE OF THE CABLES INTO THE OTHER CABLE AND THENCE TO A WARNING DEVICE TO INDICATE THAT THE BELT IS PROPERLY FASTENED.
Inventors
- 👤 Alfred Donald Prickett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:43
CPC Classifications
B; B60; B60R; B60R22/00; B60R22/48; B60R2022/4808; B60R2022/4816
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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |