Appeal No. 1999-2243
Application 08/567,081
box structure, a cash receptacle 54, handles 64, 66, and an
open-faced storage compartment at the rear of the cart with
panel
means 42, etc. Whorton does not disclose centrally located
wheels which project below the plane of casters 58, 60, but
does state that "any other suitable rolling means could also
be provided [on] the bottom surface 62 of portable concession
stand 10 if desired" (col. 5, lines 3 to 7).
Boldt discloses a cart for serving food which is
equipped with central, larger-diameter wheels 18 which project
below the corner-mounted casters 19; according to Boldt, with
this arrangement "the medial wheels will carry the major
portion of the load and steering of the cart will be made
easier" (col. 3, lines 23 to 28). In view of this
disclosure, one of ordinary skill would have been motivated to
use the wheel arrangement of Boldt on the Whorton cart in
order to obtain the advantage thereof (easier steering) taught
by Boldt.
The dimensions recited in claims 27, 28, 35 and 36
are not considered of patentable significance, but would be
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