Powered air purifying respirator blower
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Description
The broken line showing of portions of the article is included for the purpose of illustrating environmental structure and forms no part of the claimed design.
The shading is provided to illustrate contour only and is not an indication of surface texture.
Claims
The ornamental design for a powered air purifying respirator blower, as shown and described.
Patent History
Patent number: D679801
Type: Grant
Filed: Feb 15, 2012
Date of Patent: Apr 9, 2013
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Nathan A. Abel (Minneapolis, MN), John M. Pilgrim (Woodbury, MN)
Primary Examiner: Ian Simmons
Assistant Examiner: Richelle Shelton
Application Number: 29/413,397
Type: Grant
Filed: Feb 15, 2012
Date of Patent: Apr 9, 2013
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Nathan A. Abel (Minneapolis, MN), John M. Pilgrim (Woodbury, MN)
Primary Examiner: Ian Simmons
Assistant Examiner: Richelle Shelton
Application Number: 29/413,397
Classifications
Current U.S. Class:
Respirator, Vaporizer, Or Inhalation Tube (4) (D24/110)