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:
Aug. 07, 1979
Filed:
Nov. 07, 1977
Applicant:
Inventor:
David L Greenaway, Oberwil, CH;
Assignee:
LGZ Landis & Gyr Zug AG, Zug, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B42D / ;
U.S. Cl.
CPC ...
283 / ; 283 / ;
Abstract
A document is disclosed, which comprises an information carrier in which information is recorded as optical markings. The information carrier has a shape-memorizing capability actuated by supplying energy, such as heat, which changes the shape of the information carrier and the optical markings.
Quick Actions:
Greenaway, David. (1979). Optically coded document and method of making same (U.S. Patent No. 4163570). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4163570
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