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:
Feb. 03, 1981
Filed:
Jun. 14, 1979
Applicant:
Inventors:
Chi F Tung, Mahtomedi, MN (US);
George W Frost, Jr, Woodbury, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, Saint Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; E01F / ;
U.S. Cl.
CPC ...
428325 ; 404 20 ; 428323 ; 428332 ; 428339 ; 428418 ; 428429 ; 428447 ; 428522 ; 428405 ;
Abstract
A new pavement-marking sheet material comprises a conformable base sheet, a flexible top layer adhered to the base sheet, and glass microspheres or other particulate material partially embedded and strongly supported and adhered in the top layer.
Tung, Chi. (1981). Extended-life pavement-marking sheet material (U.S. Patent No. 4248932). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4248932
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile