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:
Jan. 26, 1988
Filed:
Mar. 22, 1985
Applicant:
Inventor:
Kiyoshi Ogawa, Tokyo, JP;
Assignee:
Casio Computer Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364709 ; 364200 ;
Abstract
In an electronically programmable calculator with a memory package, a plurality of memory packages are detachably loaded into a housing. Program data is written in at least one of the plurality of memory packages, and variable data is written in at least one other thereof. The contents of each memory package is always maintained by a built-in battery. The memory packages can be replaced with other memory packages, as needed.
Ogawa, Kiyoshi. (1988). Electronically programmable calculator with memory package (U.S. Patent No. 4722065). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4722065
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