Full face respirator
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Description
The portions of the article in broken lines are shown for illustrative purposes only and form no part of the claimed design.
Claims
The ornamental design for a full face respirator, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
D249368 | September 12, 1978 | Watkins, Jr. |
D336546 | June 15, 1993 | Lybrand |
D378610 | March 25, 1997 | Reischel et al. |
5924420 | July 20, 1999 | Reischel et al. |
D421118 | February 22, 2000 | Reischel et al. |
D426298 | June 6, 2000 | Grannis et al. |
- SurvivairMax® Air Purifying Respirator Full Facepiece with T-Series Connectors Operation and Maintenance Instruction Manual (Jun. 2003, revised Jun. 2004).
Patent History
Patent number: D574486
Type: Grant
Filed: Jul 23, 2007
Date of Patent: Aug 5, 2008
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: James R. Betz (Hudson, WI), Sean M. Burke (St. Paul, MN), Michael J. Lynch (Hudson, WI), Matthew D. Reier (St. Paul, MN), Andrew S. Viner (Roseville, MN), Nathan A. Abel (White Bear Lake, MN)
Primary Examiner: Ian Simmons
Assistant Examiner: Christopher Lee
Application Number: 29/282,520
Type: Grant
Filed: Jul 23, 2007
Date of Patent: Aug 5, 2008
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: James R. Betz (Hudson, WI), Sean M. Burke (St. Paul, MN), Michael J. Lynch (Hudson, WI), Matthew D. Reier (St. Paul, MN), Andrew S. Viner (Roseville, MN), Nathan A. Abel (White Bear Lake, MN)
Primary Examiner: Ian Simmons
Assistant Examiner: Christopher Lee
Application Number: 29/282,520
Classifications