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Class Information
Number: 220/225
Name: Receptacles > Closures > Floating closure > With gasket means intermediate closure rim and receptacle > Attached to closure > Fluid filled gasket
Description: Device wherein the gasket is distended by captive gas or liquid.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6354488 |
Secondary seal for floating roof storage tank |
Mar. 12, 2002 |
| 6230920 |
Trash receptacle lid securing device |
May. 15, 2001 |
| 5004118 |
Container cover |
Apr. 2, 1991 |
| 4963499 |
Method for the calorimetry of chemical processes |
Oct. 16, 1990 |
| 4842160 |
Floating covering for liquid storage tank |
Jun. 27, 1989 |
| 4749098 |
File card container |
Jun. 7, 1988 |
| 4413747 |
Floating lid for a liquid storage tank |
Nov. 8, 1983 |
| 4401306 |
Floating roof tank seal |
Aug. 30, 1983 |
| 4291803 |
Protective end cap |
Sep. 29, 1981 |
| 4254887 |
Storage tank |
Mar. 10, 1981 |
| 4173291 |
Floating roof seal |
Nov. 6, 1979 |
| 4139117 |
Floating cover assembly |
Feb. 13, 1979 |
| 4099644 |
Low emission multiple sealing system for floating roof tanks |
Jul. 11, 1978 |
| 4079856 |
Storage tank seal |
Mar. 21, 1978 |
| 4014454 |
Floating roofs for liquid storage tanks |
Mar. 29, 1977 |
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