Importance

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Abstract

A substantially clog-resistant self-supporting fluid filter for attachment to a discharge tube or the like, comprising a cylindrically shaped grid open at both ends, having a first plurality of substantially parallel ribs crossed by and fastened to a second plurality of substantially parallel ribs at an angle to the first plurality of ribs. Spaces or apertures formed between each adjacent pair of parallel ribs provides passage for liquids to be filtered there through. A circular shaped stop member or snap-on cap having raised radial spacers or lugs is attached to one end of the filter, and prevents the end of the discharge tube slidably inserted into the filter from hitting the top surface of the snap-on cap. Snap-on cap has clips on the outer diameter of the top surface that securely attach the cap to the filter. The fluid filter further comprises a snap-on nipple insert for sealingly engaging the discharge tube and attaching the discharge tube to the filter. The snap-on nipple insert comprises a base, a ribbed body, a tubular body member, and a substantially cylindrical longitudinal opening along the axis of the insert to permit free flow of liquids and gases through the nipple insert. When the fluid filter is attached to the opening at one end of a discharge tube and placed in a fluid filled tank, the discharge tube can extend to the bottom of the tank to be emptied in order to draw any fluid remaining in the bottom of the tank.

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First Claim