Full face respirator

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view of a full face respirator showing the new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof, the right side being a mirror image;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a top plan view.

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
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.
Other references
  • 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