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for publication and is not binding precedent of the Board.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
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BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
__________
Ex parte GUILLAUME VAN DUN
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Appeal No. 2002-1207
Reissue Application No. 09/103,321
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ON BRIEF
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Before KIMLIN, KRATZ, and DELMENDO, Administrative Patent Judges.
KIMLIN, Administrative Patent Judge.
DECISION ON APPEAL
This is an appeal from the final rejection of claims 1, 3-6, and 8-27, all the claims
remaining in the present application. Claim 1 is illustrative:
1. An apparatus for adjustment of a lip opening of an extrusion die, comprising
at least two lip elements each having a longitudinal axis, said two lip elements
defining a lip opening therebetween, a plurality of control units positioned at an angle to
said longitudinal axes of said lip elements, a heat expanding arrangement for
decreasing [increasing] a thickness of said lip opening by means of thermal expansion
of said control units connected to one of said lip elements, a contracting arrangement
for increasing [decreasing of] the thickness of said lip opening by means of cooling
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