US PATENT SUBCLASS 181 / 200
.~.~ Machine type enclosure


Current as of: June, 1999
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181 /   HD   ACOUSTICS

175  DF  SOUND-MODIFYING MEANS {12}
198  DF  .~ Housing or enclosure (e.g., sound confining and absorbing) {2}
200.~.~ Machine type enclosure {5}
201  DF  .~.~.~> Offfice type devices (e.g., typewriters, teleprinters, etc.)
202  DF  .~.~.~> Electical type devices (e.g., transformers, motors, etc.)
203  DF  .~.~.~> Reaction engine test chamber
204  DF  .~.~.~> Internal-combustion engine
205  DF  .~.~.~> Partial enclosure or shroud


DEFINITION

Classification: 181/200

Machine type enclosure:

(under subclass 198) Subject matter wherein the enclosure is specially designed to confine an acoustic wave emitting device, which device does not form an element of this class type or is not claimed in combination with the subject matter of another class.

(1) Note. Subject matter of this class type in combination with or forming an element of an art device is with the appropriate art.

(2) Note. See the Index to Classification: "Anti-Noise", "Deadeners" and "Mufflers".

SEE OR SEARCH CLASS

352, Optics: Motion Pictures,

35, for mounts and housings for motion picture apparatus with acoustical damping of the sound originating in the motion picture apparatus.