US PATENT SUBCLASS 362 / 402
.~.~ Spring counterbalance

Current as of: June, 1999
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362 /   HD   ILLUMINATION

382  DF  SUPPORTS {25}
401  DF  .~ Counterbalanced support {1}
402.~.~ Spring counterbalance

DEFINITION

Classification: 362/402

(under subclass 401) Subject matter wherein the force equalizing means is a resilient member.