Nasal mask

- Hans Rudolph, Inc.
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Description

FIG. 1 is a perspective view of a nasal mask, showing my new design, the broken line showing is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is an enlarged perspective view of the nasal mask;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof with the right side elevational view being a mirror image of the left side elevational view;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D270957 October 11, 1983 Maryyanek et al.
D301774 June 20, 1989 Rudolph
D322318 December 10, 1991 Sullivan
D333015 February 2, 1993 Farmer et al.
D334633 April 6, 1993 Rudolph
1081745 December 1913 Johnson et al.
2931356 April 1960 Schwarz
4944310 July 31, 1990 Sullivan
5265595 November 30, 1993 Rudolph
Other references
  • Photograph and drawings of a nasal mask for speech therapy used by Loma Linda University as early as 1992. Photographs of a nasal mask produced by Hans Rudolph, Inc., units of which were sold more than one year prior to the filing date of the above-captioned application. 1987 Product Catalog of Littell's Oxygen, Inc., p. 6 showing two styles of Nasal Hoods both incorporating inner seal flanges, and photographs of Nasal Mask No. 3021. 1986 Product Tag for Porter Instrument Company Clean-Air Mask with malleable wire in bridge of nasal mask to adjust fit, and photographs of nasal mask. Photographs of Herco Products, Inc. nasal mask on sale in 1986. Package insert for Nasal CPAP Mask of Puritan Bennett sold under trademark Softfit, date of first sale or publication unknown. Package insert for Nasal CPAP System of Sullivan, date of first sale or publication unknown. Brochure describing Softwear Nasal Mask; Lifecare; 1992; Dec. 1992 Form #545E. Brochure describing CPAP Nasal Interface; Respiratory Therapy Products, Spring 1996. Brochure describing Manual Resuscitators; Respiratory Therapy Products, Spring 1996. Brochure describing CPAP System; Respiratory Therapy Products, Spring 1996. Brochure describing Companion Nasal CPAP Masks; Puritan Bennett, MS-Form No. 799710 (Issue B) Nov. 1992. Brochure describing Adam CPAP Circuits; Puritan Bennett; MS-Form No. 799673 Issue E (Apr. 1993).
Patent History
Patent number: D385960
Type: Grant
Filed: Jul 11, 1996
Date of Patent: Nov 4, 1997
Assignee: Hans Rudolph, Inc. (Kansas City, MO)
Inventor: Kevin A. Rudolph (Overland Park, KS)
Primary Examiner: Stella Reid
Law Firm: Litman, McMahon and Brown, L.L.C.
Application Number: 0/56,936
Classifications
Current U.S. Class: D24/1104
International Classification: 2902;