Appeal No. 97-3926
Application 08/481,091
26, a cleaning segment 4, a polishing segment 18, and a second
diagnostic/instructional segment 34. Although not expressly
stated in Siddiq, appellants' brief concedes (at 7, lines 1- 2
4) that there is cleaning material on the back of the Siddiq
tape: "The cleaning material on the back of the Siddiq tape
does not permit simultaneous head cleaning and playback
because the back of the tape never contacts the heads" (Brief
at 7, lines 1-4). 3
The first limitation at issue is claim 35's recitation
that "the magnetic material and the scrubbing material are
located in
the same length of tape portion to permit simultaneous head
cleaning and playing of recorded signals." The examiner
contends that
[t]he cleaning and playing of Siddiq is simultaneous
because the time period during which the cleaning and
2All references to the brief are to the replacement
brief (paper No. 14).
3The basis for this admission is not clear. Perhaps it
is based on appellants' knowledge of the details of the
commercially available homogenous polymeric tape material
Siddiq suggests for use as the cleaning segments, i.e.,
Melinex 377/75 and 378/75, made by ICI Americas Inc., a
homogenous polymeric tape having a matte finish with a
roughness of about 0.5 Fm (col. 3, lines 35-41).
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