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.

Date of Patent:
Jul. 02, 2013

Filed:

May. 13, 2009
Applicants:

Stephen Mark Kilber, Oshkosh, WI (US);

Sam Edward Wuest, Oshkosh, WI (US);

Michael Holmes Melbye, Neenah, WI (US);

Inventors:

Stephen Mark Kilber, Oshkosh, WI (US);

Sam Edward Wuest, Oshkosh, WI (US);

Michael Holmes Melbye, Neenah, WI (US);

Assignee:

Curwood, Inc., Oshkosh, WI (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A47J 31/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

A beverage filter cartridge having a cup, a filter, a lid and at least one beverage ingredient is provided where the cup and lid are sealed together to form an interior chamber which is separated into a first and second compartments by the filter, which is preferably basket or cone shaped, and a beverage ingredient such as coffee is contained inside first compartment, and at least one of the cup, lid and filter contains calcium carbonate in an amount effective to either improve the ability of beverage makers to pierce the cup or to provide a means for the cartridge to absorb COemitted by the ingredient thereby reducing the hold time to packing and reducing the number of defective cartridges.


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