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Class 217/74 - Ventilated


Subclass of Class 217 - Wooden receptacles
Definition: Barrels having means by which ventilation of the interior
No. of patents: 1
Last issue date: 09/02/2008


NumberTitleIssue Date
7419591Filter cartridge with check valve protection
A filter assembly is provided that includes a hood, a drain manifold, a filter disposed between the hood and the drain manifold, a drainage space that is disposed between and in fluid communication with both the filter medium and the drain manifold, a check valve th...
09/02/2008
 
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