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Class Information
Number: 4/692
Name: Baths, closets, sinks, and spittoons > Drain, overflow or trap for a sink or bath > Drain valve > Pop-up > Contacted by rotating member > Lever > Having at least a semi-spherical fulcrum
Description: Subject matter wherein the lever has at least a partially ball shaped structure at its pivot point to control the flow of fluid.

Patents under this class:

Patent Number Title Of Patent Date Issued
8407829 Coupling for a faucet lift rod Apr. 2, 2013
8327474 Magnetic drain stopper assembly Dec. 11, 2012
6154898 Wastewater drain control for fluid compartments Dec. 5, 2000
6138297 Gravity ball valve and operating mechanism Oct. 31, 2000
5363518 Popup drain stopper Nov. 15, 1994
4969217 Drain assembly for sanitary fixture with built-in overflow device Nov. 13, 1990
4903943 Leakproof ball-and-socket joint arrangement Feb. 27, 1990
4807306 Pop-up drain assembly for lavatory basins Feb. 28, 1989
4218785 Drain assembly for a lavatory basin Aug. 26, 1980
4192026 Drain valve ball lever Mar. 11, 1980

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