US PATENT SUBCLASS 4 / 286
STRAINER, STOPPER, PLUG OR CLOSURE

Current as of: June, 1999
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4 /   HD   BATHS, CLOSETS, SINKS, AND SPITTOONS

286STRAINER, STOPPER, PLUG OR CLOSURE {7}
287  DF  .~> Combined strainer, plug, or valve
288  DF  .~> Combined strainer and pipe coupling
289  DF  .~> Strainers in series
290  DF  .~> Strainer, receptacle {1}
292  DF  .~> Strainer
293  DF  .~> Closure {1}
295  DF  .~> Plugs

DEFINITION

Classification: 4/286

The miscellaneous subclass for strainers, closures and stoppers, for basins, sinks, tubs or other specialized strainer or stopper structure classified in this class.

(1) Note. A stopper is distinguished from a valve by being bodily removable from the sink or bath structure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

256.1, for a debris catcher or clean out plug for a flush closet.

292, for strainers, per se, or if of general application, see search notes below.

295, for a closure or stopper that enters the waste outlet of a sink or bath.

652, for a sink or bath having a drain and strainer.

SEE OR SEARCH CLASS 210, Liquid Purification or Separation, especially

348+, for strainers of general application..

241, Solid Material Comminution or Disintegration,

32.5, for a comminuting apparatus including a sink drain stopper interlock and subclass 46.016 for a comminuting apparatus in combination with stopper or strainer in combination with a garbage disposal inlet.