Connector for air-breathing apparatus

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Description

FIG. 1 is a partial perspective of one side, top and front of a connector for air-breathing apparatus showing our new design, with the pressure regulator being shown in broken lines for illustrative operative understanding;

FIG. 2 is a perspective view of the other side, bottom and back of the apparatus shown in FIG. 1.

Referenced Cited
U.S. Patent Documents
D215052 August 1969 Evans
2962688 November 1960 Werner
3238943 March 1966 Holley
3433222 March 1969 Pinto
3513849 May 1970 Vaillancourt et al.
3781941 January 1974 MacFarland
3995626 December 7, 1976 Pearce, Jr.
4328798 May 11, 1982 Isaacson
Foreign Patent Documents
591256 September 1977 CHX
1150875 May 1969 GBX
Other references
  • Robertshaw--Fulton Controls Company, Aircraft Valve Ad in Product Engineering 1/19/59, p. 114. Hansen Quick Connective Couplings Brochure, Reference is Cover Showing. Crawford Fitting Co. Quick Connect Brochure .COPYRGT.1973 Markad Service Co., p. 4, Stem Protecting Cap. Fire Engineering, Sep. 1980 Issue, p. 115.
Patent History
Patent number: D273320
Type: Grant
Filed: Feb 23, 1981
Date of Patent: Apr 3, 1984
Inventors: Glen R. Mattingly (Mesa, AZ), Joseph A. Quintanares (Mesa, AZ)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Horace B. Fay
Attorney: Warren F. B. Lindsley
Application Number: 6/236,752
Classifications
Current U.S. Class: D23/40; D29/99