Fluid handling – Liquid level responsive or maintaining systems – By float controlled valve
Reexamination Certificate
2007-05-08
2007-05-08
Keasel, Eric (Department: 3753)
Fluid handling
Liquid level responsive or maintaining systems
By float controlled valve
C137S445000, C137S015180, C141S198000, C285S404000
Reexamination Certificate
active
10836783
ABSTRACT:
Drop tube segments are provided. Each drop tube segment may be attached to another drop tube segment of a drop tube assembly. The drop tube segments include a wall with a fastener receiving structure that is devoid of any opening extending between inner and outer surfaces of the wall. Methods of making a drop tube assembly are also provided. The methods include the step of inserting a second end portion of a first conduit over a first end portion of a second conduit while edges of an aperture extend radially outwardly away from an outer surface of a first wall of the first conduit.
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Keasel Eric
Schneider Craig
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