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The ornamental design for flapper flush valve for toilet tanks, substantially as shown and described. |
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FIG. 1 is a front perspective view of a flapper flush valve for toilet tanks, showing my new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is an enlarged front perspective view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a left side elevational view thereof;
FIG. 8 is a rear elevational view thereof;
FIG. 9 is a front elevational view thereof; and
FIG. 10 is a cross sectional view taken on line 10--10 of FIG. 4.
The vertical stem has been fragmentarily shown in FIGS. 3 and 6 through 10 for convenience of illustration.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Feb 02 1983 | MIKOL, ERWIN F | BEATRICE FOODS CO A CORP OF DE | ASSIGNMENT OF ASSIGNORS INTEREST | 004093 | /0776 | |
| Feb 07 1983 | Beatrice Companies, Inc. | (assignment on the face of the patent) | / | |||
| Jan 02 1985 | BEATRICE FOODS CO | BEATRICE COMPANIES, INC | CHANGE OF NAME SEE DOCUMENT FOR DETAILS EFFECTIVE JUNE 5, 1984 | 004348 | /0628 | |
| May 01 1987 | BEATRICE COMPANIES, INC | TWENTIETH CENTURY COMPANIES, INC , A CORP OF DE | ASSIGNMENT OF ASSIGNORS INTEREST | 004725 | /0092 | |
| May 12 1987 | BEATRICE COMPANIES, INC , A CORP OF DE | TWENTIETH CENTURY COMPANIES, INC , A CORP OF DE | ASSIGNMENT OF ASSIGNORS INTEREST | 004724 | /0444 | |
| Dec 17 1991 | TWENTIETH CENTURY COMPANIES, INC A CORP OF DELAWARE | MOEN INCORPORATED A CORP OF DELAWARE | MERGER SEE DOCUMENT FOR DETAILS EFFECTIVE ON 12 19 1991DE | 006127 | /0693 |
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