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Thursday, 16 February 2012

2,268,633 COFFER MAKER , Leonard E. ASKE

Leonard E. Aske patented:

"A coffee maker comprising a sealable water container, a coffee ground basket, a brew container, a heating means for the water container, means or controlling the energization of the heating means, a tube extending from the inside of the water container for conducting hot water therefrom to the coffee ground container, said tube including a portion of restricted cross-sectional area and an opening in the wall of said mined are relatively to the area of said restricted portion to cause cyclic variation of pressure in said water container and cyclic pumping action on the water to force successive small quantities of hot water through the tube."

Application March 22, 1941

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