Air mask

- SleepNet Corporation
Description

FIG. 1 is a front perspective view of an air mask, showing our new design, the broken line showing of the headgear and supply conduit is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a cross-sectional view thereof, taken along line 8--8 of FIG. 2.

Referenced Cited
U.S. Patent Documents
D156060 November 1949 Wade
D161337 December 1950 Hill
D248497 July 11, 1978 Slosek
D285496 September 2, 1986 Berman
D304384 October 31, 1989 Derobert
D310431 September 4, 1990 Bellm
D335322 May 4, 1993 Jones
1206045 November 1916 Smith
1632449 June 1927 McKesson
2248477 July 1941 Lombard
2376871 May 1945 Fink
2540567 February 1951 Bennett
2868196 January 1959 Stampe
2902033 September 1959 Galleher, Jr.
3042035 July 1962 Coanda
3117574 January 1964 Replogle
3288138 November 1966 Sachs
3315672 April 1967 Cunningham et al.
3330273 July 1967 Bennett
4226234 October 7, 1980 Gunderson
4231363 November 4, 1980 Grimes
4266540 May 12, 1981 Panzik et al.
4337767 July 6, 1982 Yahata
4354488 October 19, 1982 Bartos
4417575 November 29, 1983 Hilton et al.
4454880 June 19, 1984 Muto et al.
4458679 July 10, 1984 Ward
4770169 September 13, 1988 Schmoegner et al.
4799477 January 24, 1989 Lewis
4807617 February 28, 1989 Nesti
4915106 April 10, 1990 Aulgur et al.
4944310 July 31, 1990 Sullivan
4960121 October 2, 1990 Nelson et al.
4971051 November 20, 1990 Toffolon
5074297 December 24, 1991 Venegas
5109839 May 5, 1992 Blasdell et al.
5146914 September 15, 1992 Sturrock
5349949 September 27, 1994 Schegerin
5485837 January 23, 1996 Soles Bee et al.
5511541 April 30, 1996 Dearstine
Other references
  • Healthdyne.RTM. Technologies Soft Series.TM. Mask advertisement, 1 page, undated. Puritan Bennett Companion.RTM. Nasal CPAP Masks advertisement, 1 page, undated. Respironics Inc. Monarch Mini Mask information sheet, 1 page, dated Feb. 26, 1996. Lifecare.RTM.Form #544, 1 page, dated Jul. 1991. Medical Industries America Universal Deluxe C.P.A.P. Headgear advertisement, 1 page, undated. ResCare Sullivan.RTM. Bubble Mask.TM. System Series 3 advertisement, 3 pages, undated.
Patent History
Patent number: D398987
Type: Grant
Filed: Oct 31, 1996
Date of Patent: Sep 29, 1998
Assignee: SleepNet Corporation (Manchester, NH)
Inventors: Ronald L. Cotner (Derry, NH), Thomas E. Asacker (Exeter, NH)
Primary Examiner: Stella Reid
Law Firm: Testa, Hurwitz & Thibeault, LLP
Application Number: 0/61,892
Classifications
Current U.S. Class: D24/1104
International Classification: 2902;