The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 26, 1991
Filed:
Jan. 24, 1990
Applicant:
Inventor:
Peter Hedgewick, Windsor, CA;
Assignee:
Pac-Tec, Inc., Newark, OH (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B / ;
U.S. Cl.
CPC ...
404 14 ; 404 13 ; 404 11 ; 350109 ; 350100 ; 350103 ;
Abstract
A reflective pavement marker of the type having a shell-like housing of synthetic resin or other moldable material with reflective end walls of light transmitting material and a filler of epoxy or other potting material. Ribbing is formed on the inner surface of the housing. The ribbing has a surface that makes an acute angle with respect to the inner surface of the housing to coact with the filler material to increase the resistance to separation of the filler material from the housing.