Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 15, 2015
0Patent Application Number
137438570
Date Filed
January 17, 2013
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A gravity flow water filtration cartridge with a novel sieve system. The sieve system comprises an air vent and a shroud. The sieve system is attached or welded onto a housing bottom or barrel. An air permeable material covers the opening of the air vent.
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