US PATENT SUBCLASS 248 / 543
.~ Pre-set characteristic

Current as of: June, 1999
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248 /   HD   SUPPORTS

542  DF  WITH INDICATOR OR INSPECTION MEANS {1}
543.~ Pre-set characteristic

DEFINITION

Classification: 248/543

Pre-set characteristic:

(under subclass 542) Structure wherein the support includes means for adjusting an operational characteristic of the support, and an indicator means for showing the operating condition of the support.