Respirator mask
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Description
The broken lines in the drawings illustrate portions of the respirator mask which form no part of the claimed design.
Claims
The ornamental design for a respirator mask, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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- 3M™ Cool Flow™ Valve information obtained from the internet on Mar. 18, 2014: http://solutions.3m.com/wps/portal/3M/en—EU/PPE—SafetySolutions—EU/Safety/FeaturedProducts/CoolFlowValve/.
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- 3M™ Full Facepiece Reusable Respirator 6800 information obtained from the internet on Mar. 18, 2014: http://solutions.3m.com/wps/portal/3M/en—US/3M-PPE-Safety-Solutions/Personal-Protective-Equipment/Products/Product-Catalog/?N=4294930437+5011378&Nr=AND(hrcy—id%3AGST29W6QVWgs—TC2BMJQKFQ—N2RL3FHWVK—GPD0K8BC31gv)&rt=d.
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- MSA Advantage® 420 Half-Mask Respirator information obtained from the internet on Mar. 18, 2014: http://us.msasafety.com/Air-Purifying-Respirators-(APR)/Half-Masks/Advantage%26reg%3B-420-Half-Mask-Respirator/p/000100000200001150.
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- U.S. Appl. No. 29/491,541 to Blomberg et al., filed May 22, 2014, entitled Respirator Engagement Opening.
- U.S. Appl. No. 29/491,542 to Blomberg et al., filed May 22, 2014, entitled Respirator Mask.
- U.S. Appl. No. 29/491,544 to Blomberg et al. , filed May 22, 2014, entitled Respirator Mask Exhalation Port.
- U.S. Appl. No. 29/491,545 to Blomberg et al., filed May 22, 2014, entitled Respirator Mask Body.
- U.S. Appl. No. 29/491,546 to Mittelstadt et al., filed May 22, 2014, entitled Respirator Mask Having A Face Seal Flexing Region.
Patent History
Patent number: D742504
Type: Grant
Filed: Feb 27, 2015
Date of Patent: Nov 3, 2015
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: David M. Blomberg (Lino Lakes, MN), William A. Mittelstadt (Woodbury, MN)
Primary Examiner: Deanna L Pratt
Assistant Examiner: Lilyana Bekic
Application Number: 29/518,802
Type: Grant
Filed: Feb 27, 2015
Date of Patent: Nov 3, 2015
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: David M. Blomberg (Lino Lakes, MN), William A. Mittelstadt (Woodbury, MN)
Primary Examiner: Deanna L Pratt
Assistant Examiner: Lilyana Bekic
Application Number: 29/518,802
Classifications
Current U.S. Class:
Mask (D24/110.1)