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:
Sep. 23, 1997
Filed:
Sep. 27, 1995
Applicant:
Inventor:
Jean Ledieu, Crespieres, FR;
Assignee:
Digipress, Caen, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; B29D / ;
U.S. Cl.
CPC ...
369103 ; 264-133 ; 264-136 ; 369273 ; 425810 ;
Abstract
A method for providing compact discs with an antipiracy marking and a mold for pressing compact discs for making compact discs carrying an antipiracy marking as well as compact discs comprising an antipiracy marking pattern, the compact disc consisting of a substrate including on one of its sides the information to be read by the compact disc player and on the opposite side an antipiracy marking pattern.
Ledieu, Jean. (1997). Compact disc comprising an antipiracy marking and method of providing (U.S. Patent No. 5671205). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5671205
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile