Appeal No. 2006-0242
Application No. 09/920,728
We turn next to the examiner’s rejection of claims 4
and 8 under 35 U.S.C. § 103 as being unpatentable over Moberg.
Claim 4 recites:
A pump
according to
Claim 1,
wherein the
pump is
arranged to
reverse the
drive until
force detected
by said force
sensor is
substantially
10% of the
force
at which an occlution is detected
[emphasis added].
The examiner recognizes that Moberg fails to
specifically disclose the pump being arranged to reverse the drive
until force detected by the force sensor is substantially 10% of
the force at which an occlusion is detected, and the force applied
to drive
the plunger is changed to reduce the detected force to substantially 10%
of the predetermined value. However, in the examiner’s view,
the determination of the value of the force detected at which
the pump reverses direction may be determined by routine
experimentation to determine the optimum result (Answer at 4).
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