Utility pole warning sign and method of manufacturing the same

Details Utility pole warning sign and method of manufacturing the same Utility pole warning sign and method of manufacturing the same

2007-05-22

2007-05-22

Hoge, Gary C. (Department: 3611)

Card, picture, or sign exhibiting

Signs

Sign support

C040S611080, C040S607140, C040S666000, C248S218400, C248S227300, C248S228700

Reexamination Certificate

active

11037874

ABSTRACT:
A warning sign for mounting on a structural member, such as a cross arm of a utility pole, has an elongated U-shaped support member and a warning message disposed thereon. The warning sign is installed on the structural member by a utility worker at ground level by pushing it upward onto the structural member, about which it locks and cannot be easily removed. The support member and warning message are preferably extruded from high-density polyethylene which includes ultraviolet (UV) inhibitors.

REFERENCES:
patent: 2631809 (1953-03-01), Jacobson
patent: 4378648 (1983-04-01), Loof et al.
patent: 4821988 (1989-04-01), Jimenez
patent: 4876810 (1989-10-01), Piana et al.
patent: 4899474 (1990-02-01), Piana et al.
patent: 5400992 (1995-03-01), Pohl

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