US PATENT SUBCLASS 285 / 49
.~.~.~ Intermediate resilient conduit (noise-dampener)

Current as of: June, 1999
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285 /   HD   PIPE JOINTS OR COUPLINGS

45  DF  WITH CASING, LINING OR PROTECTOR {3}
47  DF  .~ Insulated {1}
48  DF  .~.~ Between serially connected parts {4}
49.~.~.~ Intermediate resilient conduit (noise-dampener)

DEFINITION

Classification: 285/49

(under subclass 48) Subject matter including a conduit, generally a resilient member, between pipe ends to prevent transmitting noise and vibration from one pipe to another.

SEE OR SEARCH THIS CLASS, SUBCLASS:

148.13+, for serial diverse couplings comprising diverse materials, one of which is nonmetal. See the Search Notes thereunder.

SEE OR SEARCH CLASS

181, Acoustics,

212+, for mufflers and sound filters.

248, Supports, 560+, for resilient supports.