Tetrapode for marking off purposes

Details Tetrapode for marking off purposes Tetrapode for marking off purposes

1975-03-13

1976-07-06

Swisher, S. Clement

Signals and indicators

Street traffic

Portable

116 63C, E01F 900, G08B 500

Patent

active

039675769

ABSTRACT:
A portable traffic marker in the form of a tetrapod with one by hollow is disclosed. A counter sink may be formed in each of the other three legs shaped as a parabola. A plurality of this type of marker may be nested together by means of the hollow and countersink.

REFERENCES:
patent: 2333273 (1943-11-01), Scanlon
patent: 2483734 (1949-10-01), Neal
patent: 3105457 (1963-10-01), Krueger
patent: 3200786 (1965-08-01), Swezy
patent: 3635542 (1972-01-01), Parduhn

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