Breathing mask
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The broken line showing of linear portions of the article is included for the purpose of illustrating environmental structure with the line itself forming no part of the claimed design.
Claims
The ornamental design for a breathing mask, as shown and described.
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Type: Grant
Filed: Nov 11, 2011
Date of Patent: Apr 29, 2014
Assignee: Intersurgical AG (Vaduz)
Inventor: Richard Francis Bowsher (Calcot)
Primary Examiner: Ian Simmons
Assistant Examiner: Richelle G Shelton
Application Number: 29/406,316