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:
Oct. 03, 1989
Filed:
Aug. 12, 1987
Applicant:
Inventors:
Kyoichi Naruo, Kanagawa, JP;
Sumio Ohtani, Kanagawa, JP;
Masahiro Etoh, Kanagawa, JP;
Ikuro Moriya, Kanagawa, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ;
U.S. Cl.
CPC ...
21032184 ; 210346 ; 210484 ; 210488 ; 2104972 ; 55158 ; 55485 ; 55511 ;
Abstract
A filter cartridge for removing particles of the order of submicrons from a solution, comprising at least two filtering films laid in parallel with the inner peripheral portions bonded fixedly to an inner rim of the core and with the outer peripheral portions joined together, thus defining a path of a solution to be filtered, and providing a relatively large effective filtering area.
Naruo, Kyoichi. (1989). Stacked filter cartridge with porous filter support (U.S. Patent No. 4871456). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4871456
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile