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Class Information
Number: 215/261
Name: Bottles and jars > Closures > Barrier permeable to gas and impermeable to liquid
Description: Devices, wherein gas enters or escapes from a receptacle by flowing through a member impervious to liquid.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5160767 |
Peelable packaging and sheet materials and compositions for use therein |
Nov. 3, 1992 |
| 5158196 |
Blanking plug |
Oct. 27, 1992 |
| 5143763 |
Oxygen scavenger |
Sep. 1, 1992 |
| 5117999 |
Low pressure relief valve for fixed and movable systems |
Jun. 2, 1992 |
| 4935371 |
Sterilizable gas permeable container for use in culturing living cells |
Jun. 19, 1990 |
| 4872872 |
Medicament container/dispenser assembly |
Oct. 10, 1989 |
| 4863051 |
Lid for a liquid container |
Sep. 5, 1989 |
| 4826000 |
Container for storing contact lenses and conditioning them with a liquid that releases gas |
May. 2, 1989 |
| 4765499 |
Filter cap |
Aug. 23, 1988 |
| 4756852 |
Method of installing a vent in a nuclear waste storage system |
Jul. 12, 1988 |
| 4648519 |
Vented closure |
Mar. 10, 1987 |
| 4596338 |
Air permeable container cap lining and sealing material |
Jun. 24, 1986 |
| 4545498 |
Container with lid for effervescent products |
Oct. 8, 1985 |
| 4279350 |
Closure with oxygen scavenging system |
Jul. 21, 1981 |
| 4271973 |
Sterility testing vessel |
Jun. 9, 1981 |
| 4188457 |
Closures for liquid product containers |
Feb. 12, 1980 |
| 4142940 |
Cultivation containers for cultures, microorganisms, cells, tissue and the like |
Mar. 6, 1979 |
| 4121525 |
Method and apparatus for aseptically sowing small seed or spores |
Oct. 24, 1978 |
| 4027427 |
Method and apparatus for the production of spawn |
Jun. 7, 1977 |
| 3971489 |
Container closure |
Jul. 27, 1976 |
| 3954623 |
Blood filtration unit |
May. 4, 1976 |
| 3951293 |
Gas-permeable, liquid-tight closure |
Apr. 20, 1976 |
| 3941270 |
Removable seal for liquid containers |
Mar. 2, 1976 |
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