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:
Jul. 05, 1988
Filed:
Oct. 17, 1986
Applicant:
Inventor:
Harumi Nakano, Tokyo, JP;
Assignee:
Casio Computer Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K / ;
U.S. Cl.
CPC ...
235380 ; 235492 ;
Abstract
An IC card system includes a memory, having a plurality of areas into which history data of transactions made with the use of an IC card is written, a detecting unit for calculating the number of available history data areas of plurality of data storage areas and display means provided in the IC terminal or IC card to clearly display that number as a remaining available data storage number.
Nakano, Harumi. (1988). Ic card system (U.S. Patent No. 4755660). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4755660
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile