US PATENT SUBCLASS 359 / 512
.~ Humidity or temperature control

Current as of: June, 1999
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359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

507  DF  PROTECTION FROM MOISTURE OR FOREIGN PARTICLE {6}
512.~ Humidity or temperature control

DEFINITION

Classification: 359/512

Humidity or temperature control:

(under subclass 507) Subject matter with means for

maintaining a desired humidity level or temperature or for increasing or decreasing the humidity level or temperature from its ambient value.

SEE OR SEARCH THIS CLASS, SUBCLASS:

395, for a stage or slide carrier with temperature control.

SEE OR SEARCH CLASS

34, Drying and Gas or Vapor Contact With Solids, appropriate subclasses.

219, Electric Heating,

219, for an electrically heated mirror.