Appeal No. 97-2642 Page 6
Application No. 08/094,461
Wood test, and logically would have commended itself to an
artisan's attention in considering the appellant's problem.
Thus, we conclude that McEachern and McConnell are analogous
art.
Claims 1, 2, 4-7, 10-16, 18, 19, 20, 22, 23, 24 and 30-34
Claims 1, 2, 4 through 7, 10 through 16, 18, 19, 20, 22,
23, 24 and 30 through 34 were rejected under 35 U.S.C. § 103
as being unpatentable over Raymond in view of Jeppson and
McEachern.
Independent claims 1, 2, 5, 6, 18, 20 and 23 recite
apparatus comprising, inter alia, an exhaust system of a
paving machine, a screed of the paving machine, and a heat
exchange system for transferring heat from the exhaust system
to the screed via a heat exchange liquid. Independent claims
14, 15, 19 and 31 recite a method of heating a screed, inter
alia, transferring heat from an exhaust system of a paving
machine to a heat exchange liquid, and transferring heat from
the heat exchange liquid to the screed of the paving machine.
Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Next
Last modified: November 3, 2007