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Class Information
Number: 215/20
Name: Bottles and jars > Nonrefillable > Guard or valve type > Valves > Single type float controlled
Description: Subject matter which operate either owing to an inherent ability of float or which are controlled by a separate float member. These float-actuated valves are usually to prevent filling of the bottle while in an inverted position.

Patents under this class:

Patent Number Title Of Patent Date Issued
4523687 Non-refillable pourer Jun. 18, 1985

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