Shower drain test plug

Details Shower drain test plug Shower drain test plug

2008-08-07

2009-12-01

Brinson, Patrick F (Department: 3754)

Pipes and tubular conduits

With closures and plugs

C138S090000, C004S295000, C004S293000, C292S256600, C220S314000

Reexamination Certificate

active

07624759

ABSTRACT:
A test plug for a shower drain includes a threaded portion having external threads sized to be received in an threaded aperture of a drain. An extension extends downwardly from the threaded portion to a cylindrical sealing portion which is connected to the extension below the threaded portion. The sealing portion includes an elastomeric sealing ring extending circumferentially around the sealing portion. The test plug further includes a pair of alignment tabs which extending radially outward from the test plug above the elastomeric sealing ring.

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Advertising materials of Jones Stephens Corporation showing Code Blue EZ Test shower drains. Exact date of publication unknown but believed to be more than one year prior to the filing date of the present application.

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