Filtering apparatus

Details Filtering apparatus Filtering apparatus

2005-09-27

2005-09-27

Nguyen, Dinh Q. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

And filter, sifter or screen

C239S558000, C239S377000, C239S315000, C239S310000, CD23S212000

Reexamination Certificate

active

06948666

ABSTRACT:
A filtering apparatus for use with threaded nipples or sprinkling cans having dispensing spouts and a base and cap. The base has a neck and head. The neck features an upper end and a lower end wherein the lower end is fittable to the dispensing end of a sprinkling can spout. The neck further includes a lower chamber in fluid communication with the dispensing end of the sprinkling can spout such that the lower chamber can receive a filtering element therewithin. Preferably, the head is hollow and includes a threaded open upper periphery and a lower surface in fluid communication with upper end of the neck. Finally, a removable perforated cap is provided for dispensing fluid. The cap has a threaded lower periphery cooperable with the threaded open upper periphery of the hollow head for forming an upper chamber in fluid communication with the neck for receiving granular or wafer born elements.

REFERENCES:
patent: 1945701 (1934-02-01), Pearl
patent: 2690930 (1954-10-01), Corson
patent: 2986340 (1961-05-01), Webb
patent: 3777982 (1973-12-01), Britton
patent: 4948499 (1990-08-01), Peranio
patent: 5779154 (1998-07-01), Martin
patent: 06-090629 (1994-04-01), None

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