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:
Apr. 18, 2000
Filed:
Jan. 08, 1997
Applicant:
Inventors:
Jeffery S Held, Chicago, IL (US);
Robert D Giese, Racine, WI (US);
Assignee:
Energy Absorption Systems, Inc., Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01F / ;
U.S. Cl.
CPC ...
404 10 ; 404 11 ; 404 12 ; 404 14 ; 404 73 ; 404 94 ;
Abstract
A raised pavement marker includes a rigid reflector assembly that supports two retroreflectors. The reflector assembly is resiliently mounted over a base by a resilient membrane, which is secured to the base at its outer edge. When a vehicle contacts the reflector housing, downward forces supplied by the vehicle to the reflector housing deform the membrane, which allows the reflector housing to move downwardly to pavement level. After the vehicle has passed, the resilience of the membrane restores the reflector assembly to its raised position. Methods for installing and removing the pavement marker are disclosed.