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:
Jan. 24, 1978
Filed:
Apr. 11, 1975
Applicant:
Inventor:
Charles W Wyckoff, Needham, MA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E01F / ; G02B / ;
U.S. Cl.
CPC ...
116 / ; 350104 ; 404 14 ; 427137 ;
Abstract
A distinctively and unambiguously marking of the directions of travel on motoring highways, airports and other surfaces with the aid of a thin novel saw-tooth marker strip that is adhered to the traveling surface and has distinctively colored successive surfaces of retroreflecting materials, including transverse cylindrical refractive elements embedded between wedges in the thin strip.
Wyckoff, Charles. (1978). Direction-indicating surface marker and the like (U.S. Patent No. 4069787). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4069787
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile