Interference No. 104,190
his notebook. PR3; PX-4. Rydell executed CAD drawings of his
new design on the same date. PR4; PX-5.
Our findings with respect to PX-4 follow. The 10
notebook page has three drawings that make up the upper half
of the page. The lower left-hand drawing of the three
drawings shows the laminated structure of the blade. To the
top, representing the outer layer of the blade, is an
electrode layer, annotated as of brass, which extends the
entire distance rearwardly to join
the stainless steel tube that forms the elongate extension of
the scissors. The middle layer, as shown in the drawing, is
formed of dielectric material --polysulfone-- to insulate the
brass electrode layer from a cutting layer. The dielectric
also extends rearwardly to the stainless steel tube. The
dielectric is fabricated with a deep recess in which the
movable blade is mounted. Forming one side of the recess is
the cutting layer, annotated as stainless steel. The cutting
10As noted infra, the actual prototype scissors
constructed according to the notebook page 22, PX-4, are of
record as PX-10. The structure described in the findings is
too small to see in any detail on the prototype.
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