Flush tank flapper valve
Description
FIG. 1 is a side elevation view of a flush tank flapper valve, showing my new design, the opposite side being a mirror image of that shown;
FIG. 2 is a top plan view thereof;
FIG. 3 is a left end elevation view thereof;
FIG. 4 is a bottom plan view thereof; and
FIG. 5 is a right end elevation view thereof.
The broken line showing of a chain in FIGS. 1, 2, 3, and 5 is for illustrative purposes only, and forms no part of the claimed design.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
2802218 | August 1957 | Wanger |
2830302 | April 1958 | Nelson et al. |
2992806 | July 1961 | Fanter et al. |
3758893 | September 1973 | Smolinski et al. |
3969775 | July 20, 1976 | Haselton |
4419773 | December 13, 1983 | Sullivan |
4497076 | February 5, 1985 | Sullivan |
224289 | October 1959 | AUX |
Patent History
Patent number: D321749
Type: Grant
Filed: May 30, 1989
Date of Patent: Nov 19, 1991
Inventor: Charles L. Wesolowsky (St. Petersburg, FL)
Primary Examiner: James M. Gandy
Assistant Examiner: Lisa Lichtenstein
Attorney: James D. Haynes
Application Number: 7/357,878
Type: Grant
Filed: May 30, 1989
Date of Patent: Nov 19, 1991
Inventor: Charles L. Wesolowsky (St. Petersburg, FL)
Primary Examiner: James M. Gandy
Assistant Examiner: Lisa Lichtenstein
Attorney: James D. Haynes
Application Number: 7/357,878
Classifications
Current U.S. Class:
Ballcock Or Float Type (D23/236)