Communications: electrical – Selective – Having indication or alarm
Patent
1983-02-09
1986-04-15
Caldwell, Sr., John W.
Communications: electrical
Selective
Having indication or alarm
340 52R, 340686, 180286, B60Q 100
Patent
active
045830720
ABSTRACT:
A pair of first and second switches are arranged in series and operative to connect a warning lamp disposed within a passenger compartment of a vehicle to an electric power source. The first switch is adapted to close when an engine ignition system is turned on, and the second switch is adapted to close when a fuel tank filler cap is improperly installed.
REFERENCES:
patent: 3026004 (1962-03-01), Rowell
patent: 3572305 (1971-03-01), Moragne
patent: 3878507 (1975-04-01), Medlock
patent: 3986634 (1976-10-01), Smith et al.
Caldwell Sr. John W.
Nissan Motor Co,. Ltd.
Queen Tyrone
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