US PATENT SUBCLASS 340 / 545.8
.~.~.~.~ Specified door or window attachment (e.g., shade or blind)

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

500  DF  CONDITION RESPONSIVE INDICATING SYSTEM {6}
540  DF  .~ Specific condition {18}
541  DF  .~.~ Intrusion detection {8}
545.1  DF  .~.~.~ Door or window movement {6}
545.8.~.~.~.~ Specified door or window attachment (e.g., shade or blind)

DEFINITION

Classification: 340/545.8

Specified door or window attachment (e.g., shade or blind):

(under subclass 545.1) Subject matter wherein an opening which is covered by a door or window is additionally covered by a further element whose movement is sensed.

SEE OR SEARCH CLASS

160, Flexible or Portable Closure, Partition, or Panel,

10, for a signal or indicator without intrusion detection purposes.