Mask cushion

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Description

FIG. 1 is a top view;

FIG. 2 is a front perspective view;

FIG. 3 is a rear view;

FIG. 4 is a side view;

FIG. 5 is a rear perspective view;

FIG. 6 is a front view; and,

FIG. 7 is a bottom view.

Referenced Cited
U.S. Patent Documents
D118241 December 1939 Lehmberg
D293613 January 5, 1988 Wingler
D334633 April 6, 1993 Rudolph
D362061 September 5, 1995 McGinnis et al.
D377089 December 31, 1996 Starr et al.
2317608 April 1943 Heidbrink
2376871 May 1945 Fink
4328797 May 11, 1982 Rollins, III et al.
4402316 September 6, 1983 Gadberry
4803981 February 14, 1989 Vickery
5265595 November 30, 1993 Rudolph
5673690 October 7, 1997 Tayebi et al.
5794617 August 18, 1998 Brunell et al.
6035852 March 14, 2000 Hoftman
Foreign Patent Documents
1039144 July 1978 CAX
0 386 605 A1 September 1990 EPX
0 634 186 A2 January 1995 EPX
WO 92/20395 November 1992 WOX
Other references
  • "Disposable Full Face Mask", Brochure by Respironics, Inc, Oct. 20, 1994., 2 pgs. Data Sheet Advertisements for new Rudolph nasal and mouth breathing face mask two-way non-rebreathing, 1995 Hans Rudolph, Inc. (691148-1), (691149-1). Data Sheet Advertisements for new Rudolph mouth breathing face mask two-way non-rebreathing, 1995 Hans Rudolph, Inc. (691150-1), (691151-1). Data Sheet Advertisements for new Rudolph anesthesia face mask silicone, non-conductive, translucent, 1995 Hans Rudolph, Inc. (691159-1).
Patent History
Patent number: D428988
Type: Grant
Filed: Mar 12, 1999
Date of Patent: Aug 1, 2000
Inventor: Gregory Scott Smart (Randwick, New South Wales, 3031)
Primary Examiner: Ian Simmons
Attorneys: David P. Gordon, David S. Jacobson, Thomas A. Gallagher
Application Number: 0/101,862
Classifications
Current U.S. Class: D24/1101; D24/1104; D24/1105
International Classification: 2902;