Air filtration mask
Description
The broken line showing of a person, portions of the article, and accessories to the article is included for the purpose if illustrating environmental structure and forms no part of the claimed design.
Claims
The ornamental design for an air filtration mask, and shown and described.
Patent History
Patent number: D680215
Type: Grant
Filed: Oct 3, 2010
Date of Patent: Apr 16, 2013
Inventor: Cecil E. Campbell (San Pedro, CA)
Primary Examiner: Ian Simmons
Assistant Examiner: Richelle Shelton
Application Number: 29/376,179
Type: Grant
Filed: Oct 3, 2010
Date of Patent: Apr 16, 2013
Inventor: Cecil E. Campbell (San Pedro, CA)
Primary Examiner: Ian Simmons
Assistant Examiner: Richelle Shelton
Application Number: 29/376,179
Classifications