Mask strap cushion
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The broken lines illustrate environmental structure that form no part of the claimed designed.
Claims
We claim the ornamental design for a mask strap cushion, as shown and described.
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Type: Grant
Filed: Oct 22, 2010
Date of Patent: Jun 18, 2013
Assignee: Salter Labs (Arvin, CA)
Inventors: James N. Curti (Bakersfield, CA), Walter R. Van Horn (Lancaster, CA), Stephen Mark Higgins (Carrollton, TX)
Primary Examiner: Richard E Chilcot
Application Number: 29/377,603