Illuminated push-button electrical switch

Electricity: circuit makers and breakers – Electric switch details – Indicators

Patent

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Details

200311, H01H 900

Patent

active

042776651

ABSTRACT:
A push-button electrical switch is described having an illuminated window showing the status of the switch. The window includes the words "ON" and "OFF" in differing but complementary colors and two filter members also of differing but the same complementary colors are rotated selectively into the light path to the window in order to illuminate either the word "ON" or "OFF".

REFERENCES:
patent: 1285753 (1918-11-01), Lowenstein
patent: 3215036 (1965-11-01), Kirkconnell et al.
patent: 3287827 (1966-11-01), Lippman
patent: 3601566 (1971-08-01), Hansen
patent: 3715548 (1973-02-01), Schadon
patent: 3780248 (1973-12-01), Martin
patent: 3895204 (1975-07-01), Lewis
patent: 3969609 (1976-07-01), Wanner et al.
patent: 4031849 (1977-06-01), Mehta
patent: 4129766 (1978-12-01), Miyata et al.
patent: 4131777 (1978-12-01), Bailey et al.

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