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Class Information
Number: 215/18
Name: Bottles and jars > Nonrefillable > Guard or valve type > Valves
Description: Nonrefillable receptacles in which the novelty lies particularly in a valve construction. The valves are adapted to allow outflow of the contents, but prevent refilling.

Sub-classes under this class:

Class Number Class Name Patents
215/25 Multiple type 3
215/20 Single type float controlled 1
215/21 Single type gravity controlled 31
215/19 Single type spring controlled 2

Patents under this class:

Patent Number Title Of Patent Date Issued
8616392 Anti-filling anti-spill device for bottleneck, composite sealing cap including said device Dec. 31, 2013
8371438 Dispensing contact lens cleaning liquid Feb. 12, 2013
6817479 Closure and a liner having a sealing flange with an inwardly directed unflattened fold Nov. 16, 2004
6059131 Removable pressure releasing system May. 9, 2000
5971179 Non-refilling devices Oct. 26, 1999
4543980 Valve for pressurized containers Oct. 1, 1985

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