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US3699514A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic control of headlights, taillights, and warning flasher lights

Assignee: Individual
•
Filing: 1971-10-18
•
Granted: 1972-10-17
•
Expires: 1991-10-18
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Abstract

Abstract An automatic switch actuated from engine oil pressure which when turned on, will turn on the headlights only after the engine has been started, and will turn them off after the engine has stopped; and should the engine stall, warning flasher lights will turn on automatically, and will continue to operate until the engine is restarted and the headlights turn on.

Inventors

  • 👤 Walter R Stevens

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 23:48
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/02; B60Q1/04; B60Q1/14; B60Q1/1407; H; H01; H01H; H01H35/00; H01H35/24; H01H35/34

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 360 words
An automatic automobile light switch system for use with an automobile battery, with headlights, taillights and flasher lights, said system including: a stock light switch having first, second and third terminals, said first terminal of said stock switch being connected to said second and said third terminals of said stock switch when said stock switch is in a first position, said first, said second and said third terminals of said stock switch all being disconnected when said stock switch is in a second position, said first terminal of said stock switch being connected to said battery, said second terminal of said stock switch being connected to said headlights, said third terminal of said stock switch being connected to said taillights, a regular ignition switch having first and second terminals, said first terminal of said ignition switch being connected to said battery, a warning flasher light switch having first and second terminals, said first terminal of said flasher light switch being connected to said battery, said second terminal of said flasher light switch being connected to said flasher lights, the improvement comprising a two-position switch having first, second, third, fourth and fifth terminals, said first, second and third terminals of said two-position switch being interconnected when said two-position switch is in a first position, said fourth and fifth terminals of said two-position switch being interconnected when said two-position switch is in a second position, said first terminal of said two-position switch being coupled to said battery, said second terminal of said two-position switch being connected to said headlights, said third terminal of said two-position switch being coupled to said taillights, said fourth terminal of said two-position switch being connected to said second terminal of said ignition switch, said fifth terminal of said two-position switch being coupled tO said flasher lights, said two-position switch operating in response to the running or stopped condition of the automobile engine connected to the two-position switch so that should the engine stop the warning flasher lights will turn on automatically and the headlights will be turned off, and when the engine is started the headlights will automatically turn on and the flasher lights will be extinguished.
Claim 2
Dependent Claim 360 words
An automatic automobile light switch system for use with an automobile battery, with headlights, taillights and flasher lights, said system including: a stock light switch having first, second and third terminals, said first terminal of said stock switch being connected to said second and said third terminals of said stock switch when said stock switch is in a first position, said first, said second and said third terminals of said stock switch all being disconnected when said stock switch is in a second position, said first terminal of said stock switch being connected to said battery, said second terminal of said stock switch being connected to said headlights, said third terminal of said stock switch being connected to said taillights, a regular ignition switch having first and second terminals, said first terminal of said ignition switch being connected to said battery, a warning flasher light switch having first and second terminals, said first terminal of said flasher light switch being connected to said battery, said second terminal of said flasher light switch being connected to said flasher lights, the improvement comprising a two-position switch having first, second, third, fourth and fifth terminals, said first, second and third terminals of said two-position switch being interconnected when said two-position switch is in a first position, said fourth and fifth terminals of said two-position switch being interconnected when said two-position switch is in a second position, said first terminal of said two-position switch being coupled to said battery, said second terminal of said two-position switch being connected to said headlights, said third terminal of said two-position switch being coupled to said taillights, said fourth terminal of said two-position switch being connected to said second terminal of said ignition switch, said fifth terminal of said two-position switch being coupled tO said flasher lights, said two-position switch operating in response to the running or stopped condition of the automobile engine connected to the two-position switch so that should the engine stop the warning flasher lights will turn on automatically and the headlights will be turned off, and when the engine is started the headlights will automatically turn on and the flasher lights will be extinguished.
Claim 3
Dependent Claim 81 words
An automatic automobile light switch system as defined in claim 1 including: a manually operated push control switch having first, second and third pairs of contacts, said first pair of contacts being connected between said flasher lights and said fifth terminal of said two-position switch, said second pair of contacts being connected between said taillights and said third terminal of said two-position switch, said third pair of contacts being connected between said battery and said first terminal of said two-position switch.

References Cited (Backward Citations)

US1231561A Cited
US1951495A Cited
US2048715A Cited
US2671207A Cited
US3021449A Cited
US3171058A Cited
US3281786A Cited
US3397342A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-10-17 1976-04-17 1976-10-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-10-17 1980-04-17 1980-10-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-10-17 1984-04-17 1984-10-17 $7700.00 Window Closed / Lapsed

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