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Patent US3559165A successfully refreshed from Google Patents.
US3559165A
Expired / Lapsed
US
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Optical-audio warning system
Assignee: Old Carco LLC
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Filing: 1968-10-17
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Granted: 1971-01-26
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Expires: 1988-10-17
Abstract
Abstract AN OPTICAL-HORN SIGNALLING SYSTEM FOR AUTOMOTIVE VEHICLES EQUIPPED WITH CUSTOMARY HORN AND MULTIPLE BEAM HEADLIGHTINING CIRCUITS AND WHEREIN OPERATION OF THE HORN FLASHES ONE OF THE HEADLIGHT BEAM CIRCUITS WHEN THE VEHICLE HEADLIGHT SWITCH IS OPEN AND ALSO WHEN THE VEHICLE IS OPERATED WITH THE OTHER HEADLIGHT BEAM CIRCUIT ENERGIZED.
Inventors
- 👤 Eugene Kleemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:48
CPC Classifications
B; B60; B60Q; B60Q11/00
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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |