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Class Information
Number: 215/22
Name: Bottles and jars > Nonrefillable > Guard or valve type > Valves > Single type gravity controlled > Separate disconnected weight
Description: Subject matter assisted in operation by a separate weight, which is not connected to the valve. This weight may serve either to seat or to unseat the valve.

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
6481601 Self-sealing solvent bottle cap insert Nov. 19, 2002
5971179 Non-refilling devices Oct. 26, 1999
5924606 Pouring spout with refill prevention device Jul. 20, 1999
4067472 Combined anti-refilling and pouring device for fitment to a bottle Jan. 10, 1978

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