Personal respiratory protection device

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Description

FIG. 1 is a perspective view, showing the new design for a personal respiratory protection device;

FIG. 2 is a front view thereof;

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

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken line showing forms no part of the claimed design, and any shading is provided to illustrate contour only and is not an indication of texture, gloss, etc.

Claims

The ornamental design for a personal respiratory protection device, as shown and described.

Referenced Cited
U.S. Patent Documents
2362382 November 1944 Lehmberg
5012805 May 7, 1991 Muckerheide
D326540 May 26, 1992 Scholey
5701893 December 30, 1997 Kern et al.
5934275 August 10, 1999 Gazzara
D443927 June 19, 2001 Chen
D448472 September 25, 2001 Chen
6394090 May 28, 2002 Chen et al.
D636128 April 12, 2011 Hancock et al.
D646380 October 4, 2011 Gebrewold et al.
8118026 February 21, 2012 Gebrewold et al.
Foreign Patent Documents
388638 March 1933 GB
871661 June 1961 GB
2085788 May 1982 GB
2103491 February 1983 GB
2085788 March 2000 GB
96/28216 September 1996 WO
96/28217 September 1996 WO
97/32493 September 1997 WO
97/32494 September 1997 WO
Other references
  • U.S. Appl. No. 29/233,063 to Gebreworld et al., filed Jun. 27, 2005, entitled Grey Respiratory Mask Having Black Lines of Demarcation.
  • Product Literature: Racal® N95 Respirator & Delta® N95 Respirator, Racal Health & Safety, Inc. (1995).
Patent History
Patent number: D776257
Type: Grant
Filed: Jun 27, 2005
Date of Patent: Jan 10, 2017
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Dean M. Remer (Woodbury, MN), Yonas Gebrewold (Roseville, MN)
Primary Examiner: Brandon M Rosati
Assistant Examiner: Lilyana Bekic
Application Number: 29/233,051
Classifications
Current U.S. Class: Mask (D24/110.1)