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:
Feb. 01, 2000
Filed:
Oct. 04, 1996
Hiroaki Noaki, Sakae-machi, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ink tank is provided with a plurality of ink retaining units having given ink retaining capacities to retain a plurality of different ink, a housing to constitute the ink retaining units and a plurality of ink supply units to let out ink externally corresponding to the ink retaining units. In this ink tank, each ink selected suitably for the kind of recording data to be used is retained in each of the plural ink retaining units, respectively, irrespective of given ink retaining capacities, and the housing is provided with an information indication portion to indicate such kind of recording data. With the ink tank thus structured, the user can easily select an ink tank best suited for a printing pattern as desired, thus making it possible to utilize the ink tank more economically, and print on a designated number of recording sheets assuredly.