Resources Contact Us Home Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE     Air gap anti-siphon valve D321748 Air gap anti-siphon valve Patent Drawings: Inventor: Brito Date Issued: November 19, 1991 Application: 07/274,038 Filed: November 21, 1988 Inventors: Brito; Ralph (Anaheim, CA) Assignee: Primary Examiner: Largen; James R. Assistant Examiner: Attorney Or Agent: Stetina and Brunda U.S. Class: D23/235 Field Of Search: D23/233; D23/234; D23/235; D23/236; D23/237; D23/238; D23/239; D23/244; D23/245; D23/246; D23/247; D23/248; 137/216; 137/217; 137/218 International Class: U.S Patent Documents: D246377; D262969; D263163; D269633; D277599; D278740; D294285; 2217132; 2259984; 2284051; 2288247; 2598002; 2738798; 2997054; 3086543; 3125114; 3158169; 3346001 Foreign Patent Documents: Other References: Abstract: Claim: The ornamental design for an air gap anti-siphon valve, as shown and described. Description: FIG. 1 is a perspective view taken from front and side of an air gap anti-siphon valve, showing my new design; and FIG. 2 is a perspective view taken from the rear and side thereof. * * * * *       Recently Added Patents Fuel supply device for direct methanol fuel cells Optic probe for semiconductor characterization Method for preserving catalyst Migrating data between storage volumes Instrumentation injection for common language runtime Transparent authentication using an authentication server Magnetic attachment for a walking cane   Randomly Featured Patents Room lamp for automobile Basic dioxazine compounds Beverage carrier or similar article Nip press sensing system including a sensor strip having sensor interface electronics associated therewith and methods of operating the same Internal combustion engine ignition system and cleaning device Centralized storage management method Method and apparatus for providing two-way data communication cover a widely distributed network Die-cut packing pad Method and apparatus for delaying writing back the results of instructions to a processor AC-type plasma display panel capable of high definition and high brightness image display, and a method of driving the same © 2006-2008 PatentGenius. All Rights Reserved.