Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Dean R. Duffy0
Date of Patent
April 21, 2015
Patent Application Number
12338091
Date Filed
December 18, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
Herein are disclosed face masks that are provided in a generally flat configuration and are capable of being expanded to a cup-shaped configuration. Such masks comprise at least one porous layer that comprises at least one pleat and that is capable of being expanded by at least partially unfolding the at least one pleat. The mask further comprises reinforcing netting laminated to the outer surface of the porous layer.
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