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. 26, 2000
Filed:
Nov. 06, 1998
Applicant:
Inventors:
Marinus J Dona, Eindhoven, NL;
Derk Visser, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
359626 ; 359619 ;
Abstract
A transparent sheet is provided on both sides with a lenticular array (4,). The embossments (7) of at least one of the arrays (6) has a cross-section showing at least two bends (11-14), thereby improving the visibility of the Moire pattern formed by the two arrays. The sheet may be used as an anti-counterfeit mark.