Respiratory oxygen dilution valve

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Description

FIG. 1 is a perspective view;

FIG. 2 is a bottom plan view;

FIG. 3 is a top plan view;

FIG. 4 is a side elevational view;

FIG. 5 is a side elevational view; opposite that shown in FIG. 4;

FIG. 6 is an end elevational view; and,

FIG. 7 is an end elevational view; opposite that shown in FIG. 6.

Referenced Cited
U.S. Patent Documents
3794072 February 1974 Diedrich et al.
3850171 November 1974 Ball et al.
3913607 October 1975 Price
3977432 August 31, 1976 Vidal
4667927 May 26, 1987 Oscarsson
4848333 July 18, 1989 Waite
5372129 December 13, 1994 Ryder
5425358 June 20, 1995 McGrail et al.
5531712 July 2, 1996 Malcolm et al.
Patent History
Patent number: D395500
Type: Grant
Filed: Feb 1, 1996
Date of Patent: Jun 23, 1998
Inventor: Steven L. Ryder (Fullerton, CA)
Primary Examiner: Stella Reid
Application Number: 0/49,825
Classifications
Current U.S. Class: D24/1106
International Classification: 2902;