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Class Information
Number: 215/300
Name: Bottles and jars > Closures > With means to facilitate closure removal > Stopper-type closure > Permanently secured in stopper cavity > Cavity extends circumferentially of stopper surface
Description: Devices, wherein said cavity is formed in the wall of the closure which faces the inner surface of the mouth of the receptacle.

Patents under this class:

Patent Number Title Of Patent Date Issued
6200967 Anticoagulant agents Mar. 13, 2001
4394922 Rubber stopper with plastic pull ring Jul. 26, 1983

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