Appeal No. 1999-0705 Page 2
Application No. 08/129,615
BACKGROUND
The appellants' invention relates to a one-piece roofing tile, preferably formed of
molded clay material, so as to simulate a natural appearing tile, with the tile having hollowed
zones or recesses for weight reduction, and strengthening webs to provide support for the tile
in the installed, on-roof condition (specification, page 2), a method of roofing a roof using such
tiles and a roof covered with such tiles. The claims on appeal are reproduced in the appendix
to the appellants' brief.
The prior art references of record relied upon by the examiner in rejecting the appealed
claims are:
Donaldson et al. (Donaldson) 522,686 Jul. 10, 1894
O'Donnell D 281,536 Nov. 26, 1985
Matthews 1,708,994 Jan. 18, 19791
(German patent publication)
Cole 224,414 Jun. 12, 1958
(Australian patent specification)
The following rejections are before us for review.
1. Claims 1, 6, 15, 16, 25, 26, 28-30, 32, 33 and 35 stand rejected under 35 U.S.C.
§ 103 as being unpatentable over Matthews in view of Donaldson.
1We derive our understanding of this reference from the English language translation prepared for the PTO
and attached to Paper No. 18.
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