US PATENT SUBCLASS 362 / 440
.~.~ Spring ring

Current as of: June, 1999
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362 /   HD   ILLUMINATION

382  DF  SUPPORTS {25}
433  DF  .~ Modifier support {16}
440.~.~ Spring ring

DEFINITION

Classification: 362/440

(under subclass 433) Subject matter comprising a resilient ring to hold or clamp the rim of a modifier within the flange of a frame such as a socket cover, socket extension, or skeleton frame.