US PATENT SUBCLASS 372 / 103
.~.~ Window, aperture, and mask

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

92  DF  PARTICULAR RESONANT CAVITY {7}
98  DF  .~ Specified cavity component {7}
103.~.~ Window, aperture, and mask {1}
104  DF  .~.~.~> Aerodynamic window

DEFINITION

Classification: 372/103

Window, aperture and mask:

(under subclass 98) Subject matter wherein the specified component is an opening for admission of light, or a transparent cover.