Connector for air-breathing apparatus

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Description

FIG. 1 is a perspective view of one side, top and front of a connector for air-breathing apparatus showing our new design, with a 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
D251734 May 1, 1979 McCaw et al.
D263163 February 23, 1982 Olde
2565572 August 1951 Pangborn
3129993 April 1964 Ross
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
  • Crawford Fitting Co. Quick--Connects Brochure .COPYRGT.1973, pp. 1, 4, 6. Hansen Mfg. Company, QUICK Connective Couplings Brochure, .COPYRGT.1958, cover & p. 11. Clover Industries Inc., Industrial Closures Flyer, cover flyer. Brookstone Catalog, Peterborough New Hampshire Spring 1978, Examiner Douglas' Catalog Collection.
Patent History
Patent number: D273319
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: 6/236,751
Classifications
Current U.S. Class: D23/40; D29/99