US PATENT SUBCLASS 353 / 61
.~.~ Particular air ducts or deflector

Current as of: June, 1999
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353 /   HD   OPTICS: IMAGE PROJECTORS

52  DF  TEMPERATURE CONTROL {5}
57  DF  .~ Blower {4}
61.~.~ Particular air ducts or deflector

DEFINITION

Classification: 353/61

(under subclass 57) Subject matter including special passages or deflectors to direct air to certain parts of the projector for cooling thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

60, for means to direct air to a flat side of the object being projected.