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. 14, 1978
Filed:
Dec. 24, 1975
Applicant:
Inventor:
Clifford P Ronden, Edmonton, CA;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01F / ;
U.S. Cl.
CPC ...
404 10 ;
Abstract
Marker posts, useful for delineating traffic paths, e.g., on highways, airports and parking areas, capable of being impacted and run over by vehicles at sub-zero ambient temperatures, with the post returning to its normal upright position. The posts are extruded tubular bodies of polyethylene modified by an additional polymer selected from the group consisting of ethylene-vinyl acetate copolymers and ethylene-ethyl acrylate copolymers.