Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Douglas B. Leeth0
John A. Lemke0
Max H. Smith0
Date of Patent
May 12, 2009
0Patent Application Number
115682420
Date Filed
May 3, 2005
0Patent Primary Examiner
Patent abstract
An apparatus (100) and a method to prevent undesired objects (not shown) when communication conduit (not shown) is disposed therethrough. The apparatus (100) and method include a flapper assembly (150) to selectively open and close when objects (not shown) larger than the communications conduit (not shown) are desired to pass therethrough.
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