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Class Information
Number: 220/203.19
Name: Receptacles > Closures > With condition responsive vent or valve > Responsive to pressure > Specified valve structure provides a diverse function (e.g., leakage preventing, lock releasing)
Description: Device wherein one or more valves are provided, and at least one of the valves has a specific structure which provides an auxiliary function, such as preventing leakage of receptacle contents, or providing means to release a safety lock.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7228789 |
Beverage container |
Jun. 12, 2007 |
| 6968870 |
Automatic suction structure of a vacuum container |
Nov. 29, 2005 |
| 6913036 |
Bi-directional flow seal for a fuel vapor pressure management apparatus |
Jul. 5, 2005 |
| 6830081 |
High efficiency vacuum box with indicators |
Dec. 14, 2004 |
| 6786352 |
Valve arrangement for an automatically sealing cup |
Sep. 7, 2004 |
| 6732878 |
Venting lid apparatus for tank opening |
May. 11, 2004 |
| 6702136 |
Brake fluid reservoir cap assembly design |
Mar. 9, 2004 |
| 6688336 |
Sealing terminal for tubular duct |
Feb. 10, 2004 |
| 6662831 |
Depression container |
Dec. 16, 2003 |
| 6652704 |
Aerosol cement and valve for dispensing same |
Nov. 25, 2003 |
| 6609630 |
Leak-proof closure apparatus |
Aug. 26, 2003 |
| 6470924 |
Depression container |
Oct. 29, 2002 |
| 6357620 |
No-spill drinking cup apparatus |
Mar. 19, 2002 |
| 6279783 |
Dispensing valve |
Aug. 28, 2001 |
| 6269968 |
Valve arrangement for an automatically sealing cup |
Aug. 7, 2001 |
| 6102234 |
Closure for a filling tube of the tank of a motor vehicle and operation method |
Aug. 15, 2000 |
| 6014986 |
Valve for a cooking utensil |
Jan. 18, 2000 |
| 5971203 |
Quick release vent apparatus for a fuel tank |
Oct. 26, 1999 |
| 5890620 |
Automatically sealing cup |
Apr. 6, 1999 |
| 5806575 |
Vacuum extractor of a vacuum container |
Sep. 15, 1998 |
| 5404903 |
Smart vent valve for cargo tanks employed in transporting hazardous commodities |
Apr. 11, 1995 |
| 5123557 |
Gas stopper and methods of constructing and utilizing same |
Jun. 23, 1992 |
| 5048553 |
Relief valve with overturn surge control for storage tank |
Sep. 17, 1991 |
| 5027844 |
Pressure and thermal relief valve for fuel tank |
Jul. 2, 1991 |
| 4836406 |
Closure for a pressurized fluid-filled container |
Jun. 6, 1989 |
| 4830213 |
Closure cap for a fuel receptacle |
May. 16, 1989 |
| 4741325 |
Operating valve for a pressure cooker |
May. 3, 1988 |
| 4646701 |
Evaporation fuel processing apparatus for two-wheel vehicle |
Mar. 3, 1987 |
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