US PATENT SUBCLASS 368 / 286
.~ With protection means

Current as of: June, 1999
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368 /   HD   HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES

276  DF  CASES {17}
286.~ With protection means {4}
287  DF  .~.~> Shock absorbing
288  DF  .~.~> For crown or stem {1}
291  DF  .~.~> Waterproofing {1}
293  DF  .~.~> Antimagnetic shielding

DEFINITION

Classification: 368/286

With protection means:

(under subclass 276) Subject matter including means associated with the case to prevent injury or damage to the timepiece.