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written for publication and is not binding precedent of the Board.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. 13
UNITED STATES PATENT AND TRADEMARK OFFICE
_____________
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
_____________
Ex parte JOHN H. HUGHES
_____________
Appeal No. 2001-0837
Application No. 09/131,177
______________
ON BRIEF
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Before THOMAS, HAIRSTON, and BLANKENSHIP, Administrative Patent
Judges.
HAIRSTON, Administrative Patent Judge.
DECISION ON APPEAL
This is an appeal from the final rejection of claims
1 through 3, 5 through 11 and 13 through 19. In a first
Amendment After Final (paper number 5), claims 1 and 9 were
amended, and in a second Amendment After Final (paper number 9),
claims 1 and 9 were further amended along with claim 17.
The disclosed invention relates to a multiple layer
multileaf collimator that comprises first and second layers of
multiple elongated radiation blocking leaves supported by first
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