US3662334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle light warning system
Assignee: Individual
•
Filing: 1969-11-17
•
Granted: 1972-05-09
•
Expires: 1989-11-17
Abstract
Abstract A pair of indicator lamps provide warnings for a vehicle operator signifying either that the vehicle lamps should be turned on when illumination is needed or turned off upon opening of the vehicle door. The warning system does not affect the usual vehicle lighting system and operates off the vehicle power supply.
Inventors
- 👤 Ralph M Susslin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:38
CPC Classifications
B; B60; B60Q; B60Q9/00; B60Q9/001
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
185 words
In combination with a lighting system for a vehicle having a source of electrical energy, lamp means and switch means for selectively energizing the lamp means from the source, a warning system comprising at least two separate indicator devices mounted internally of the vehicle, light sensitive means connected to the source for operating one of the indicator devices, means responsive to closing of the switch means for disabling said one of the indicator devices, and exit control means connected to the other of the indicator devices for activating the Same only when the switch means is closed, said disabling means comprising a relay coil connected to said source in series with the vehicle lamp means and the switch means and a normally closed relay switch connected to said one of the indicator devices and opened in response to energization of the relay coil, said light sensitive means including relay means connected to the normally closed relay switch of the disabling means for preventing operation of said one of the indicator devices and a photoresponsive element connecting the source to the relay means for energization thereof.
Claim 2
Dependent Claim
185 words
In combination with a lighting system for a vehicle having a source of electrical energy, lamp means and switch means for selectively energizing the lamp means from the source, a warning system comprising at least two separate indicator devices mounted internally of the vehicle, light sensitive means connected to the source for operating one of the indicator devices, means responsive to closing of the switch means for disabling said one of the indicator devices, and exit control means connected to the other of the indicator devices for activating the Same only when the switch means is closed, said disabling means comprising a relay coil connected to said source in series with the vehicle lamp means and the switch means and a normally closed relay switch connected to said one of the indicator devices and opened in response to energization of the relay coil, said light sensitive means including relay means connected to the normally closed relay switch of the disabling means for preventing operation of said one of the indicator devices and a photoresponsive element connecting the source to the relay means for energization thereof.
Claim 3
Dependent Claim
41 words
The combination of claim 1 wherein said vehicle includes a door, said exit control means comprising a normally open switch closed by opening of the door and connected in series with the other of the indicator devices to the switch means.
Claim 4
Dependent Claim
15 words
The combination of claim 2 wherein said two separate indicator devices are visually distinguishable lamps.
Claim 5
Dependent Claim
18 words
The combination of claim 1 including an ignition switch connected between the source and the light sensitive means.
References Cited (Backward Citations)
FR612533A
Cited
US2722673A
Cited
US2799843A
Cited
US2820215A
Cited
US2878462A
Cited
US3145322A
Cited
US3473083A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-09 | 1975-11-08 | 1976-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-09 | 1979-11-08 | 1980-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-09 | 1983-11-08 | 1984-05-09 | $7700.00 | Window Closed / Lapsed |