Combined toilet flush valve seat and overflow tube

Description

FIG. 1 is perspective view of the design from above;

FIG. 2 is front view of the design;

FIG. 3 is right side view of the design;

FIG. 4 is left side view of the design;

FIG. 5 is a top view of the design; and,

FIG. 6 is a bottom view of the design.

Referenced Cited
U.S. Patent Documents
1629208 May 1927 Ernst
2078879 April 1937 Kaiser et al.
3795016 March 1974 Eastman
3894299 July 1975 Cleary
3909856 October 1975 Dunn, Jr.
3945056 March 23, 1976 Kowalski et al.
3981029 September 21, 1976 Johnson
4096591 June 27, 1978 Awis
4107798 August 22, 1978 Lamb et al.
4172299 October 30, 1979 Del Pozo
4173801 November 13, 1979 Bresnyan
4175295 November 27, 1979 Cameron
4411029 October 25, 1983 Huang
4504984 March 19, 1985 Burns
4561131 December 31, 1985 David
4750220 June 14, 1988 Baumann
4829605 May 16, 1989 Agostino
4878256 November 7, 1989 Bagwell
4907302 March 13, 1990 Schoepe et al.
5005225 April 9, 1991 Pasquin
5042096 August 27, 1991 Bolli
5070547 December 10, 1991 Comparetti
5175893 January 5, 1993 Navarrete
Foreign Patent Documents
WO91/12381 August 1991 WOX
Patent History
Patent number: D370721
Type: Grant
Filed: Aug 16, 1994
Date of Patent: Jun 11, 1996
Assignee: Dual Flush Holdings Inc. (Mission)
Inventor: C. Bruce Hewson (West Vancouver)
Primary Examiner: Stella Reid
Assistant Examiner: Eric Watterson
Law Firm: Christie, Parker & Hale
Application Number: 0/27,215
Classifications
Current U.S. Class: Water Closet Or Urinal (D23/309)