Environment oriented road stud

Details Environment oriented road stud Environment oriented road stud

2007-08-21

2007-08-21

Hartmann, Gary S. (Department: 3671)

Road structure, process, or apparatus

Traffic director

Vibration inducing member

Reexamination Certificate

active

11348729

ABSTRACT:
Disclosed is a road stud including an indicating part exposed on a road surface, an anchor extended from the indicating part and inserted into an anchor inserting hole of the road surface and at least one pair of anti-rotation wings interposed between the road surface and the indicating part, and intersecting with each other at an inclined angle to the bottom of the indicating part.

REFERENCES:
patent: 1798467 (1931-03-01), Hartzler et al.
patent: 1804281 (1931-05-01), Shunk
patent: 1816502 (1931-07-01), Theel
patent: 1816839 (1931-08-01), George
patent: 1870994 (1932-08-01), George
patent: 1968097 (1934-07-01), Roberts
patent: 1999077 (1935-04-01), Benedetto
patent: 2015031 (1935-09-01), Fischer
patent: D106286 (1937-10-01), Dickson
patent: 2154966 (1939-04-01), Vanderveer
patent: 2263583 (1941-11-01), Limbert
patent: 3091996 (1963-06-01), Macrae
patent: D246513 (1977-11-01), Garneau

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