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Class Information
Number: 4/334
Name: Baths, closets, sinks, and spittoons > Flush closet > Normally empty tank > Pressure tank
Description: Subject matter wherein the tank is hermetically sealed and the air is compressed as the liquid fills the tank.

Sub-classes under this class:

Class Number Class Name Patents
4/335 With seat-actuated valve 1

Patents under this class:

Patent Number Title Of Patent Date Issued
8281424 Flush toilet Oct. 9, 2012
6907623 Pressurized water closet flush system Jun. 21, 2005
6467101 Toilet flushing and cleaning device Oct. 22, 2002
6401270 Toilet apparatus Jun. 11, 2002
6029287 Power flush tank with volume reduction tube Feb. 29, 2000
5848441 Pressure assist toilet Dec. 15, 1998
5742950 Apparatus for pressure assisted flush toilets Apr. 28, 1998

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