CPAP face mask

- Vital Signs Inc.
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Description

FIG. 1 is a front view of the CPAP face mask;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left side elevational view thereof taken from FIG. 1;

FIG. 5 is a right side elevational view thereof taken from FIG. 1;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
D258994 April 21, 1981 Grane
D285496 September 2, 1986 Berman
D293613 January 5, 1988 Wingler
D302746 August 8, 1989 Shirley
D303587 September 19, 1989 Quinn et al.
D305166 December 19, 1989 Quinn et al.
D333015 February 2, 1993 Farmer et al.
D382341 August 12, 1997 Freund
D388873 January 6, 1998 Richards et al.
D396283 July 21, 1998 Scholey
5121745 June 16, 1992 Israel
Patent History
Patent number: D420128
Type: Grant
Filed: Nov 12, 1998
Date of Patent: Feb 1, 2000
Assignee: Vital Signs Inc. (Totowa, NJ)
Inventor: Richard Hoenig (Totowa, NJ)
Primary Examiner: Eric Watterson
Attorney: R. gale Rhodes, Jr.
Application Number: 0/96,391
Classifications
Current U.S. Class: D24/1101
International Classification: 2902;