Appeal No. 1997-2898
Application 08/368,239
This is a decision on appeal from the final rejection of
claims 1-25, all of the claims pending in the application. On
page 2 of the answer, the examiner indicated that claim 18 is
objected to as being dependent upon a rejected base claim, but
would be allowable if rewritten in independent form. thus,
claims 1-17 and 19-25 remain before us on appeal.
The claimed subject matter is directed to an apparatus
for computer-aided design (CAD) of three-dimensional drawings.
Specifically, the CAD system provides predetermined relation-
ships that enable the user to alter the solid geometry based
on those relationships.
Independent claim 1 is reproduced as follows:
1. Apparatus for performing a set of display operations
to modify a three dimensional drawing on a graphic display,
comprising:
(a) means for storing a plurality of planes for defining
a three dimensional drawing on a graphic display;
(b) means for selecting a first plane based on a first
aspect of the three dimensional drawing;
(c) means for defining a variable plane based on a second
aspect of the three dimensional drawing;
(d) means for changing the distance between the first
plane and the variable plane; and
2
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