Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 31, 2006
Patent Application Number
10688887
Date Filed
October 21, 2003
Patent Primary Examiner
Patent abstract
A filter pit is disclosed. The pit has an inlet and an outlet adjacent a base of the pit. A primary, a secondary and a tertiary filter are located between the inlet and outlet and the tertiary filter is supported above the base and is able to dry out when the flow of water through the pit ceases.
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