Communications: electrical – Selective – Having indication or alarm
Patent
1978-07-12
1981-07-21
Caldwell, Sr., John W.
Communications: electrical
Selective
Having indication or alarm
200 6189, 307 10R, 315 79, 340 71, B60Q 126
Patent
active
042801168
ABSTRACT:
A control and signaling apparatus comprising a double acting switch having a conducting barrel and a spring loaded pin engageable with the barrel and being conducting in either of two preselected positions and a control circuit operable to selectively light any of three signal lamps in response to mechanical operation of motor vehicle controls.
REFERENCES:
patent: 3273552 (1966-09-01), Plath
patent: 3304381 (1967-02-01), McAnespey
patent: 3304540 (1967-02-01), McAnespey
patent: 3336450 (1967-08-01), Rainer
patent: 3676844 (1972-07-01), Hendrickson
patent: 3711828 (1973-01-01), Hawkins
patent: 4034338 (1977-07-01), Bevilacqua
Caldwell Sr. John W.
Nowicki Joseph E.
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