Taxi indicator

Card – picture – or sign exhibiting – Changing exhibitor – Motor operated

Patent

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Details

40502, 40500, 40532, 40572, G09F 1102

Patent

active

040671283

ABSTRACT:
An indicator for a taxi-cab, the indicator having a plurality of different displays to be shown through a window, there being control means in the vehicle to control which display is visible through the window.

REFERENCES:
patent: 973372 (1910-10-01), Miller
patent: 994992 (1911-06-01), Fisher
patent: 1222658 (1917-04-01), Naylor
patent: 1715172 (1929-05-01), Ollerenshaw
patent: 1728746 (1929-09-01), Cannella
patent: 1834700 (1931-12-01), Grassman
patent: 2173329 (1939-09-01), Geiser
patent: 2783451 (1957-02-01), Stout
patent: 2814028 (1957-11-01), Hamilton

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