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. 27, 1976
Filed:
Jul. 08, 1974
Applicant:
Inventor:
Albert Greutert, Sachseln, CH;
Assignee:
Interelectric AG, Sachseln, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210456 ; 210469 ; 210474 ; 210482 ; 210497 ; 99306 ;
Abstract
A reusable coffee filter with a pot-shaped hotwater container and a filter strainer adjacent an opening in the bottom of said container. The filter strainer is made of metallic sieve sheets having perforations flaring out in the flow direction. On top of the hotwater container a distribution plate is supportably held which has a plurality of holes distributed over an area corresponding to the vertical projection of the opening of the filter strainer in order to ensure a good wetting and extraction efficiency of the coffee powder.