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Class 4/692 - Having at least a semi-spherical fulcrum


Subclass of Class 4 - Baths, closets, sinks, and spittoons
Definition: Subject matter wherein the lever has at least a partially
No. of patents: 9
Last issue date: 01/22/2008


NumberTitleIssue Date
7320336Plug incorporating pressure-sensitive valve
A plug which is insertable into a outlet from a vessel, to seal the vessel so that it may hold liquid. To prevent overflow, the plug has an in-built valve which automatically opens when it experiences a predetermined threshold pressure. The threshold pressure can be...
01/22/2008
6154898Wastewater drain control for fluid compartments
A wastewater drain control for fluid compartments has a waste water discharge port in the bottom thereof and in communication with a vertical drain pipe. A valve seat element is in the pipe below the port and has an inclined annular valve seat surface and...
12/05/2000
6138297Gravity ball valve and operating mechanism
A removable pop-up ball valve 34 situated beneath the strainer area 22 of a sink 12 above the wastewater discharge pipe 32. The pop-up valve 34 has a remote control rod 30 whereby the valve 34 is opened and closed. The pop-up valve ball valve 34 which is ...
10/31/2000
5363518Popup drain stopper
A plunger assembly 42, which functions as a popup drain stopper, includes a one-piece plastic body 44 formed with a head 50 at an upper end thereof. A connector 48 is formed at a lower end of body 44. A dome-shaped decorative cap 52 is removably assembled...
11/15/1994
4969217Drain assembly for sanitary fixture with built-in overflow device
A drain assembly for a sanitary fixture with a built-in overflow device is disclosed. The sanitary fixture includes a main drain pipe, one end of which is mounted to the outlet opening thereof. The overflow device includes a conduit in the form of an inve...
11/13/1990
4903943Leakproof ball-and-socket joint arrangement
A housing for a discharge valve includes a hollow cylindrial socket which projects in the radial direction, and in which a siphon an actuating pin for control of the valve stopper is mounted in a leakproof manner in a ball-and-socket joint arrangement. A ...
02/27/1990
4807306Pop-up drain assembly for lavatory basins
There is disclosed improved pop-up drain assemblies for lavatory basins, with unique structure involving the removable inner seat and compression nut receiver portion, the removable inner seat member for the rod bearing part, and the drain conduit portion...
02/28/1989
4218785Drain assembly for a lavatory basin
A drain assembly for a lavatory basin which includes a drain tube having a flanged upper end adapted for support by the basin. A drain plug is carried within the drain tube. A lift rod extends through the drain tube at a side opening therein and engages t...
08/26/1980
4192026Drain valve ball lever
A pop-up drain valve assembly for a sink includes a drain plug and control means for raising and lowering the plug to open and close the drain. The control means includes a manually operable plunger rod and a unitary, one piece, plastic ball lever that pi...
03/11/1980
 
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