Respirator belt
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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 respirator belt, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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Patent History
Patent number: D683845
Type: Grant
Filed: Feb 15, 2012
Date of Patent: Jun 4, 2013
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Nathan A. Abel (Minneapolis, MN), Jia Hu (Mounds View, MN), Sean R. Kilmer (Lino Lakes, MN), Thomas G. Skulley (St. Paul, MN), James M. Ulwelling (Eau Claire, WI)
Primary Examiner: Ian Simmons
Assistant Examiner: Richelle Shelton
Application Number: 29/413,384
Type: Grant
Filed: Feb 15, 2012
Date of Patent: Jun 4, 2013
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Nathan A. Abel (Minneapolis, MN), Jia Hu (Mounds View, MN), Sean R. Kilmer (Lino Lakes, MN), Thomas G. Skulley (St. Paul, MN), James M. Ulwelling (Eau Claire, WI)
Primary Examiner: Ian Simmons
Assistant Examiner: Richelle Shelton
Application Number: 29/413,384
Classifications
Current U.S. Class:
Respirator, Vaporizer, Or Inhalation Tube (4) (D24/110)