Single cup brewer with truncated sphere plug

Patent No. 9,498,080

Issued: November 22, 2016
Filed: April 22, 2015

Inventor: de Neufville; David (Califon, NJ)


A single cup brewer includes a steeping cup and a drain plug. The steeping cup includes a sidewall extending from a base to form a contained space. The steeping cup also includes a tapered drain extending from the base and away from the contained space. The tapered drain has a tapered drain hole tapering from a top diameter to a bottom diameter through the base of the steeping cup. The drain plug includes a stem and a tip extending from the stem. The tip has a truncated spherical shape, which is a sphere truncated substantially perpendicular to an axis of the stem on the top surface and the bottom surface of the tip. The truncated spherical shape has a tip diameter greater than a width of the stem, greater than the bottom diameter of the drain hole, and less than the top diameter of the drain hole.

Reference to Related Applications

This application claims one or more inventions which were disclosed in Provisional Application No. 61/998,824, filed Jul. 9, 2014, entitled "SINGLE CUP COFFEE BREWER WITH NOVEL TRUNCATED BALL DRAIN". The benefit under 35 USC 119(e) of the United States provisional application is hereby claimed, and the aforementioned application is hereby incorporated herein by reference.


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