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. 09, 1997
Filed:
Mar. 03, 1993
Takanori Hasegawa, Ninato-ku, JP;
Noboru Inamine, Ninato-ku, JP;
Riso Kagaku Corporation, Tokyo, JP;
Abstract
A device for obliterating printed information on a sheet utilizes an information concealing printing unit for printing an information concealing pattern over a surface of a sheet carrying printed information. On printing the information concealing pattern over the surface of the sheet carrying the printed information, the printed information becomes unreadable. Various types of printing devices may be used and the printed information which is obliterated may be first recorded in electronic format for later retrieval.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile