Appeal No. 1999-0635 8
Application No. 08/688,825
(movably or swingably) to a door frame, we think, requires no
discussion.
Turning now to the examiner's rejection of claims 5, 7-15
and 17-20 under 35 U.S.C. § 103 as being unpatentable over
Christison in view of Hutchinson, we note that Christison
discloses a burglar proof door guard comprising an extensible
gate including vertical members (16-18) and toggles or links
(19) pivoted to the vertical members as indicated at (20).
The outer vertical member (14) is secured by a pair of hinges
(23, 24) and screws (26) to a flat strip (27). The inner
vertical member (16) is slidably supported by U bolts (29)
fitting about a plurality of horizontal rods (28) mounted to a
wall (30). The gate is attached to the door using a pair of
links (38, 39) adapted to fit about the door knob handle (13)
and a locking ring (46) for locking the links about the knob
handle.
The examiner states on pages 3 and 4 of the answer that
Christison does not disclose the extensible doorway barrier as
comprising an open mesh attached to and stored on a reel, as
required by the claims. We further note that Christison lacks
"flexible material means for spanning a lower portion of the
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