Respirator facemask

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Description

FIG. 1 is a perspective view of a first embodiment of a respirator facemask according to the present invention;

FIG. 2 is a front view of the respirator facemask illustrated in FIG. 1;

FIG. 3 is a right side view of the respirator facemask illustrated in FIG. 1, the left side view being the mirror image thereof;

FIG. 4 is a rear view of the respirator facemask illustrated in FIG. 1;

FIG. 5 is a top plan view of the respirator facemask illustrated in FIG. 1; and,

FIG. 6 is a bottom plan view of the respirator facemask illustrated in FIG. 1.

The phantom line showing in FIGS. 1 through 6 is for illustrative purposes only and forms no part of the claimed design.

Claims

The ornamental design for a respirator facemask, as shown and described.

Referenced Cited
U.S. Patent Documents
2999498 September 1961 Matheson
D271246 November 1, 1983 Matheson et al.
4414973 November 15, 1983 Matheson et al.
4549543 October 29, 1985 Moon
4630604 December 23, 1986 Montesi
4850346 July 25, 1989 Michel et al.
4934362 June 19, 1990 Braun
4958633 September 25, 1990 Angell
4960121 October 2, 1990 Nelson et al.
4974586 December 4, 1990 Wandel et al.
4981134 January 1, 1991 Courtney
5062421 November 5, 1991 Burns et al.
5325892 July 5, 1994 Japuntich et al.
5592937 January 14, 1997 Freund
D382341 August 12, 1997 Freund
D413166 August 24, 1999 Snow et al.
6047698 April 11, 2000 Magidson et al.
6062221 May 16, 2000 Brostrom et al.
6345620 February 12, 2002 Salapow et al.
Foreign Patent Documents
0 252 890 January 1988 EP
0 252 891 January 1988 EP
Other references
  • 3M™ Half and Full Facepiece Respirators product literature 70-0710-9082-6 (Jan. 2002).
Patent History
Patent number: D467656
Type: Grant
Filed: Jun 25, 2001
Date of Patent: Dec 24, 2002
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: William A. Mittelstadt (Woodbury, MN), David M. Castiglione (Hudson, WI), Casey L. Carlson (Edina, MN)
Primary Examiner: Ian Simmons
Attorney, Agent or Law Firms: Karl G. Hanson, Michaele Hakamaki
Application Number: 29/144,069
Classifications
Current U.S. Class: Mask (D24/110.1)
International Classification: 2902;