Tubing coupler for respiratory systems

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Description

FIG. 1 is an isometric view of a tubing coupler for respiratory systems showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is an elevational view of one end thereof; and

FIG. 6 is a cross-sectional view taken on line 6--6 of FIG. 3.

Referenced Cited
U.S. Patent Documents
D227990 July 1973 Brinser et al.
D233239 October 1974 Welsh
3147338 September 1964 Ekvall et al.
4123091 October 31, 1978 Cosentino et al.
4422715 December 27, 1983 Williams et al.
Patent History
Patent number: D289688
Type: Grant
Filed: Feb 10, 1984
Date of Patent: May 5, 1987
Inventors: Burrell E. Clawson (Newport Beach, CA), James Weigl (Riverside, CA)
Primary Examiner: A. Hugo Word
Assistant Examiner: Stella M. Reid
Attorney: Grover A. Frater
Application Number: 6/579,038
Classifications
Current U.S. Class: D24/53; D13/24