US PATENT SUBCLASS 362 / 403
.~ Support having gravity-type light source or light modifier raising and lowering means

Current as of: June, 1999
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362 /   HD   ILLUMINATION

382  DF  SUPPORTS {25}
403.~ Support having gravity-type light source or light modifier raising and lowering means

DEFINITION

Classification: 362/403

(under subclass 382) Subject matter comprising (1) means for supporting the light source or modifier from above against movement due to gravity; and (2) means for permitting the light source or modifier to be moved by the force of gravity from one supported position to another.