Appeal No. 1997-0281 Page 11
Application No. 08/351,874
the elements in the art of ignition systems. Neither Roberts
nor Wolf remedies this deficiency.
For the foregoing reasons, we are not persuaded that the
prior art would have suggested employing a breakover diode
responsive to a predetermined voltage differential between two
terminals of a passive network to switch a path between the
terminals from a high impedance value to a low impedance value
to controllably discharge a capacitor into an igniter plug.
The examiner has not established a prima facie case of
obviousness. Therefore, we reverse the rejection of claims 1,
5-8, and 9-14 under 35 U.S.C. § 103.
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