Full face respirator lens outlet ports
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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 full face respirator lens outlet ports, as shown and described.
D249368 | September 12, 1978 | Watkins, Jr. |
D336546 | June 15, 1993 | Lybrand |
D378610 | March 25, 1997 | Reischel et al. |
D388872 | January 6, 1998 | Grannis et al. |
D409744 | May 11, 1999 | Grannis 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).
Type: Grant
Filed: Jul 23, 2007
Date of Patent: Apr 22, 2008
Assignee: 3M Innovative Properties (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: 29/282,512