Combined road marker and interchangeable sign cards

Details Combined road marker and interchangeable sign cards Combined road marker and interchangeable sign cards

1979-05-08

1980-04-15

Yasich, Daniel M.

Signals and indicators

Street traffic

Portable

40607, 40612, E01F 910, G09F 702

Patent

active

041978080

ABSTRACT:
A traffic controlling and road hazard warning device comprising a resilient frustro-conical or cylindrical road marker and a plurality of informational sign cards that are interchangeably and separably mounted on the upper end of the marker by means of slots and so designed to engage the upper end of the marker thereby securing the cards and preventing their rotation, yet allowing rapid installation and positioning of the cards on the marker.

REFERENCES:
patent: D139032 (1944-06-01), Wandell
patent: 2819547 (1958-01-01), Clements, Jr.
patent: 3408758 (1968-11-01), Doring
patent: 3732842 (1973-05-01), Vara, Sr.
patent: 3785331 (1974-01-01), Ferris

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