Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 22, 2021
Patent Application Number
16358064
Date Filed
March 19, 2019
Patent Citations Received
Patent Primary Examiner
Patent abstract
A breathing device including a housing portion and a mouthpiece portion. The housing portion has external and internal surfaces and a distal end portion and a proximal end portion. The mouthpiece portion has external and internal surfaces and includes a flared portion having a narrower distal end portion and extending to a wider proximal end portion, and the flared portion includes a depressed portion adjacent to the wider proximal end portion and configured to contact lips of a user.
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