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. 13, 1977
Filed:
Dec. 15, 1975
Applicant:
Inventors:
Rolf Bergmann, Wiesbaden-Schierstein, DT;
Klaus Hoheisel, Wiesbaden-Biebrich, DT;
Helmut Schafer, Russelsheim, DT;
Manfred Unger, Schlangenbad, DT;
Assignee:
Hoechst Aktiengesellschaft, , DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
260 / ; 8 1 / ; 8-4 ; 242188 ; 242192 ; 2642 / ; 264211 ; 264289 ; 360134 ; 427129 ;
Abstract
This invention relates to a leader of an information carrier web suitable for photoelectric control, comprising a polyester film oriented by biaxial stretching, having one layer, and a transparency of at least 60 per cent when exposed to light of a wavelength of 750 nm.
Bergmann, Rolf. (1977). Leader of a carrier of information in the form of a web (U.S. Patent No. 4048150). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4048150
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile