Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 3, 2018
Patent Application Number
14680586
Date Filed
April 7, 2015
Patent Citations Received
Patent Primary Examiner
Patent abstract
A sponge for insertion into the open upper end of a mud pan which acts as a plug to prevent the mud in the mud pan from drying out during periods of non-use of the mud pan.
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