Appeal No. 1999-0954
Application 08/656,919
102(e) as being anticipated by Masuda.
Claims 4 through 6 and 8 through 14 stand rejected under
35 U.S.C. § 103(a) as being unpatentable over Masuda in view
of Okubo.
Claims 15 through 20 stand rejected under 35 U.S.C. §
103(a) as being unpatentable over Masuda in view of Okui.
Reference is made to the appellants’ brief (Paper No. 13)
and to the examiner’s answer (Paper No. 14) for the respective
positions of the appellants and the examiner with regard to
the merits of these rejections.
Masuda, the examiner’s primary reference, discloses a
two-cycle automotive diesel engine 1 having a cylinder block
2, cylinder bores 2c, a cylinder head 5, a crankcase member 3,
crankcase chambers 4, pistons 7, a crankshaft 12, connecting
rods 9, exhaust ports 18, precombustion chambers 22,
precombustion chamber throats 21b and main combustion chambers
8. Figure 3 shows the general relationship between these
components.
The sole issue raised by the appellants with regard to
the 35 U.S.C. § 102(e) rejection is whether Masuda meets the
limitation in claim 1 requiring the direction of rotation of
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