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:
Dec. 17, 1991
Filed:
Feb. 16, 1990
Applicant:
Inventor:
Takashi Kondo, Oita City, Oita Prefecture, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A47J / ; A23F / ; A23F / ;
U.S. Cl.
CPC ...
99296 ; 99295 ; 99306 ; 426433 ; 426435 ;
Abstract
An apparatus and method for obtaining a coffee extract or the like by filtration comprises a vessel body having an opening at one end with the other end closed and an air vent provided with a stopper and located close to the closed end, filter paper for covering the opening of the body, and a tray for receiving a liquid extract (infusion) of coffee, black tea, green tea or the like, the tray being detachable from the body with the filter paper therebetween.