US PATENT SUBCLASS 351 / 45
.~.~ Partially occluding the light-path area


Current as of: June, 1999
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351 /   HD   OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING

41  DF  SPECTACLES AND EYEGLASSES {29}
44  DF  .~ With antiglare or shading {4}
45.~.~ Partially occluding the light-path area


DEFINITION

Classification: 351/45

(under subclass 44) Subject matter, wherein antiglare spectacles are provided with lenses having combined a clear-glass section and a section or sections of different light absorption, the latter covering only a part of the field of sight, so that without imparting the general vision the eyes may be screened from an undesirable light source by a slight movement of the head.

SEE OR SEARCH THIS CLASS, SUBCLASS:

49, for eye protection devices utilizing polarizing lenses.