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Class Information
Number: 4/390
Name: Baths, closets, sinks, and spittoons > Flush closet > Tank only > With outlet valve > With overflow through valve closure
Description: Subject matter including a tubular conduit mounted in and passing through the valve blocking element to conduct liquid above a predetermined level through the valve.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6920649 |
Flushing mechanism for toilet tank |
Jul. 26, 2005 |
| 6901610 |
High performance valve assembly for toilets |
Jun. 7, 2005 |
| 6728975 |
High performance flush valve assembly |
May. 4, 2004 |
| 6397404 |
Toilet flushing system |
Jun. 4, 2002 |
| 6381764 |
Toilet tank flush valve for partial or full flush |
May. 7, 2002 |
| 6199221 |
Flush valve |
Mar. 13, 2001 |
| 6151725 |
Hygienic toilet tank |
Nov. 28, 2000 |
| 6094753 |
Flush valve with partial-flush function |
Aug. 1, 2000 |
| 5343572 |
Pressured toilet tank flush valve |
Sep. 6, 1994 |
| 5088133 |
Flush mechanism for toilets |
Feb. 18, 1992 |
| 4910812 |
Semi-flush valve mechanism |
Mar. 27, 1990 |
| 4882793 |
Dual flush cistern mechanism |
Nov. 28, 1989 |
| 4615056 |
Flushing cistern |
Oct. 7, 1986 |
| 4454614 |
Valve arrangement for water toilets |
Jun. 19, 1984 |
| 4435859 |
Toilet flush tank |
Mar. 13, 1984 |
| 4341238 |
Flushing means |
Jul. 27, 1982 |
| 4304014 |
Variable volume flushing cistern |
Dec. 8, 1981 |
| 4219895 |
Variable volume flushing cistern |
Sep. 2, 1980 |
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