US3559205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety apparatus for alerting a motor vehicle operator
Assignee: Individual
•
Filing: 1967-11-29
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Granted: 1971-01-26
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Expires: 1987-11-29
Abstract
Abstract APPARATUS INCLUDING A SIGNAL GENERATOR FOR ACTIVATING WARNING DEVICES TO ALERT THE OPERATOR OF A MOTOR VEHICLE, THE SIGNAL GENERATOR BEING CONTROLLED BY CIRCUITRY INCLUDING REED SWITCH SYSTEMS OPENED AND CLOSED BY THE MOVEMENT OF MAGNETS WITH THE N-S AXIS THEREOF PASSING ACROSS THE LONGITUDINAL AXIS OF THE SWITCH SYSTEM OR PERPENDICULAR TO SUCH AXIS FOR CONTROLLING A VARIABLE TIMING CIRCUIT OR A RELAY.
Inventors
- 👤 Charles E Colby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:46
CPC Classifications
H; H01; H01H; H01H36/00; H01H36/0006; B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/34; B60Q1/40
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 |