The opinion in support of the decision being entered today was not
written for publication and is not binding precedent of the Board.
Paper No. 24
UNITED STATES PATENT AND TRADEMARK OFFICE
_____________
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
_____________
Ex parte DIRK LANGE, ANDREAS TAUTZ, and CHRISTIAN MALETZKI
_____________
Appeal No. 2003-1220
Application No. 09/830,420
______________
HEARD: NOVEMBER 19, 2003
_______________
Before KRASS, RUGGIERO, and DIXON, Administrative Patent Judges.
RUGGIERO, Administrative Patent Judge.
DECISION ON APPEAL
This is a decision on the appeal from the final rejection of
claims 14-30, which are all of the claims pending in the present
application. Claims 1-13 have been canceled.
The claimed invention relates to a method and apparatus for
disconnecting a passenger conveying system in which functional
units of the passenger conveying system are monitored with
switching elements to detect malfunctions. Signals from the
switching elements are combined to form a safety chain and are
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