Combined pipe coupler and plug


FIG. 1 is a top plan view of a combined pipe coupler and plug showing my new design;

FIG. 2 is a front elevational view thereof, the rear view being a mirror image thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof; and,

FIG. 5 is a left side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D186971 December 1959 Chakine
D205276 July 1966 Kort
D240428 July 1976 Hoffman
D257057 September 23, 1980 Logsdon
D262181 December 8, 1981 Hardy
2783771 March 1957 Thomas
3490177 January 1976 Perrion
3860135 January 1975 Yung et al.
4060100 November 29, 1977 Miller
4065035 December 27, 1977 Eissler
4123035 October 31, 1978 Boudreau
4706841 November 17, 1987 Grajek
Patent History
Patent number: D336681
Type: Grant
Filed: May 31, 1990
Date of Patent: Jun 22, 1993
Assignee: Mew Pump Corp. (Deerfield Beach, FL)
Inventor: David L. Vickers (Boynton Beach, FL)
Primary Examiner: James R. Largen
Attorney: Harry W. Barron
Application Number: 7/553,131
Current U.S. Class: Coupling Or Joint (D23/262)