US PATENT SUBCLASS 378 / 161
.~ Window

Current as of: June, 1999
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378 /   HD   X-RAY OR GAMMA RAY SYSTEMS OR DEVICES

145  DF  BEAM CONTROL {6}
161.~ Window

DEFINITION

Classification: 378/161

Window:

(under subclass 145) Subject matter including an aperture in an X-ray opaque material which is closed by an X-ray transmissive material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

140, for windows combined with X-ray sources.