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US3706005A Expired / Lapsed US ⏱️ 0.0 years remaining

Vehicle daytime running lights

Assignee: Motors Liquidation Co
•
Filing: 1970-12-10
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Granted: 1972-12-12
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Expires: 1990-12-10
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Abstract

Abstract A DUAL INTENSITY LIGHTING CIRCUIT IN WHICH THE LOW BEAM FILAMENTS OF THE VEHICLE HEADLAMPS ARE ENERGIZED TO PRODUCE LESS LIGHT OUTPUT WHEN THE VEHICLE ENGINE IS RUNNING, AND THE LOW BEAM FILAMENTS ARE SNOT ENERGIZED THROUGH THE CONVENTIONAL HEADLIGHT LIGHTING SYSTEM, THAN WHEN THEY ARE ENERGIZED THROUGH THE CONVENTIONAL LIGHTING SYSTEM. THE OUTPUT FROM ONE OF THE OUTPUT TERMINALS OF A THREE PHASE ALTERNATING CURRENT GENERATOR IS SUPPLIED TO THE LOW BEAM FILAMENTS TO PROVIDE FOR THE DIMINISHED ILLUMINATION THROUGH A BLOCKING DIODE.

Inventors

  • 👤 Richard A Carlson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 23:05
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/02; B60Q1/04; B60Q1/14; B60Q1/1415; B60Q1/1423; B60Q1/143; B60Q2400/00; B60Q2400/30; Y; Y10; Y10S; Y10S315/00; Y10S315/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-12-12 1976-06-12 1976-12-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-12-12 1980-06-12 1980-12-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-12-12 1984-06-12 1984-12-12 $7700.00 Window Closed / Lapsed

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