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Class Information
Number: 137/586
Name: Fluid handling > Systems > System with plural openings, one a gas vent or access opening > Access and outlet > Tank access opening and bottom outlet > Access opening interlock or telltale on outlet valve actuator
Description: Systems in which the actuator for the valved outlet performs an additional function in the system by interengaging with or extending into the access opening in one position of the valve thereby preventing the application of a closure to the access opening while the bottom valve is open and/or indicating the open condition of the valve.










Patents under this class:

Patent Number Title Of Patent Date Issued
8381767 Reservoir module for a recycler assembly Feb. 26, 2013
5490387 Flame-out resistant fuel pumping system Feb. 13, 1996
4633843 Carburetor arrangement for an internal combustion engine Jan. 6, 1987
4137943 Diaphragm vent valve for fluid storage tank with vapor recovery system Feb. 6, 1979
4109677 Protective device for storage tanks Aug. 29, 1978
4086938 Door and drain control interlock May. 2, 1978











 
 
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