Appeal No. 2002-0396
Application No. 08/331,280
Pray discloses a microtube having a relatively stiffer
proximal end and a relatively more flexible distal end,
comprising an inner cured resin layer (24), a braid layer (52)
over the inner cured resin layer, and an outer cured resin
layer (54) over and encasing the braid layer, wherein the braid
layer is woven in a weave having relatively fewer picks per inch
at the proximate end and relatively more picks per inch at the
distal end (col. 2, lines 31-34; col. 3, lines 22-30; col. 3,
line 66 - col. 4, line 37; col. 10, lines 13-14).
The second supplemental declaration under 37 CFR § 1.131
shows that, no later than November 1992, the appellants were in
possession of a microtube having an inner cured resin layer, a
braid layer over the inner cured resin layer, and an outer cured
resin layer over and encasing the braid layer, wherein the braid
pick count varies over the length of the catheter to provide
increased flexibility from the proximal end to the distal end
(declaration exhibits D, E, F, G, H, J, K, L, N and O).
The declaration exhibits do not show fewer picks per inch at
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Last modified: November 3, 2007