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:
Nov. 19, 2002
Filed:
Oct. 23, 2000
Applicant:
Inventor:
Billy J. Castleberry, Lubbock, TX (US);
Assignee:
Newco Enterprises, Inc., St. Charles, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47J 3/100 ;
U.S. Cl.
CPC ...
A47J 3/100 ;
Abstract
The reservoir of an automatic coffee brewer is closed except to a siphon tube, and a vent connected to two ball valves. One ball valve closes when the water level floats the ball. The other ball valve opens when the reservoir pressure approaches an unsafe level.