Appeal No. 2007-0392
Application No. 10/427,733
arcuate member, wherein engagement of the locking member
with each receiving aperture of the plurality of receiving
apertures provides a registered position corresponding to a
particular curvature.
In addition to disclosing that the first arcuate member B has screws
attached to it, Wentzel discloses that “[t]he screws 39 each have clamping
nuts 40 threaded thereon for the purpose of clamping the members A and B
to each other in their adjusted positions.” (Col. 3, ll. 59-62.) Thus, Wentzel
describes a dental impression tray having a monolithically formed arcuate
member comprising a locking member, as recited in claim 32.
Wentzel also discloses that “[t]he screws 39 pass through the slots 29
[in member A] which are each of a width greater than that of the screws 39
so as to allow the utmost freedom of adjustment and shifting of the members
A and B with respect to each other.” (Col. 3, ll. 54-58.) Wentzel therefore
also describes a dental impression tray having a plurality of apertures which
allow for positional adjustment and locking of the device at various stages of
rotation or curvature. Because Wentzel describes a device having all of the
claimed elements, we affirm the Examiner’s anticipation rejection of
claim 32 over Wentzel.
To summarize, we affirm the Examiner’s rejection of claims 21-25,
27, 28, 31, 32, 41, and 42, under 35 U.S.C. § 102(b) as anticipated by
Wentzel.
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