US PATENT SUBCLASS 396 / 470
.~.~.~ Having spring return


Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

439  DF  CAMERA DETAIL {15}
452  DF  .~ Shutter {12}
463  DF  .~.~ Dynamo-electric actuator {6}
470.~.~.~ Having spring return


DEFINITION

Classification: 396/470

Having spring return:

(under subclass 463) Subject matter wherein the means to provide the motive force for restoring the light-intercepting member to an initial position is a resilient member.