Appeal No. 2006-2084
Reexamination Control No. 90/006,360
Figures 2 and 4 of the '400 patent are reproduced below.
Figure 2 depicts a tool shank 10 and Fig. 4 shows a rhomboidal-shaped tool
insert 12 for use with the tool shank 10 of Fig. 2. The shank has two
tool-supporting surfaces 18, 20 defining an angle B and has an elongated lip or
supporting body section 24 along one edge. "In the embodiment of the present
invention illustrated, the angle B is approximately 35°; however, as will be
recognized by those skilled in the pertinent art, this angle may be changed as
desired depending upon the requirements of a particular cutting tool design or
other machining system." ('400 patent, col. 4, lines 28-33.) The tool insert is
defined by an inscribed circle IC having a diameter less than the width of the tool
shank. It is described that "substantially the entire depth D of the respective
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