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:
Apr. 06, 2004
Filed:
Aug. 16, 2001
Applicant:
Inventor:
Paul Morgavi, La Ciotat, FR;
Assignee:
Gemplus, , FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/01 ;
U.S. Cl.
CPC ...
B41J 2/01 ;
Abstract
A method for producing blocks on a support that are designed to be removed by scratching. An ink jet printing technique is used to produce the blocks. The ink used is of the type with phase change. The method can be used to form a support containing an information or a graphic design on its surface and a scratchable block masking the information or graphic design. The scratchable block consists of juxtaposed and/or superposed dots of material. The method is particularly applicable to smart cards.