Quick-connective coupling

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FIG. 1 is a bottom plan view of a quick-connective coupling showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is an end view thereof;

FIG. 4 is an opposite end view thereof;

Referenced Cited
U.S. Patent Documents
D229411 November 1973 Luckenbill et al.
3162470 December 1964 Davidson et al.
4063760 December 20, 1977 Moreiras
4543993 October 1, 1985 Calvin et al.
Other references
  • Hansen-"Two-Way Shutoff Coupling" Design News, 2/16/1959, p. 123. Hansen Catalogue-"Push-Tite Quick Connective Coupling" 1958, p. 6. Schraeder Catalogue-"Quick-Acting Coupler Check Unit-Female" 1958, p. 10.
Patent History
Patent number: D288229
Type: Grant
Filed: Dec 9, 1983
Date of Patent: Feb 10, 1987
Assignee: Gilmour Manufacturing Co. (Somerset, PA)
Inventors: Glenn I. Beal (Somerset, PA), Harry L. Hauger (Somerset, PA), Rick Leer (Somerset, PA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Law Firm: Reed Smith Shaw & McClay
Application Number: 6/559,972
Current U.S. Class: D23/43