US PATENT SUBCLASS 372 / 66
.~ Active media with particular shape

Current as of: June, 1999
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372 /   HD   COHERENT LIGHT GENERATORS

39  DF  PARTICULAR ACTIVE MEDIA {7}
66.~ Active media with particular shape {1}
67  DF  .~.~> Disc-shaped

DEFINITION

Classification: 372/66

Active media with particular shape:

(under subclass 39) Subject matter where the active media has a particular distinguishing shape.