Appeal No. 2006-1489
Application No. 10/452,059
1. A roofing element of the shingle or tile type
for exterior application comprising a multi-layer
structure having:
(a) a skin including a first thermoplastic material;
(b) a core including a second thermoplastic
material;
(c) wherein the first material is a highly weather
resistant polymer relative to the second material;
(d) wherein the second material is a polymer having
filler therein and;
(e) wherein the core is comprised of a substantially
greater volume of second material than the volume of first
material that comprises the skin; and
(f) wherein the skin encapsulates a plurality of
surfaces of the core.
The references set forth below are relied upon by the
examiner as evidence of unpatentability:
Raley, Jr. (Raley) 3,669,918 Jun. 13, 1972
Lijzenga et al. (Lijzenga) 4,332,703 Jun. 1, 1982
Rowe 4,396,665 Aug. 2, 1983
Friedman et al. (Friedman) 6,808,785 Oct. 26, 2004
We refer to the evidence appendix of the appeal brief filed
June 13, 2005 for a listing of the evidence relied upon by the
appellants in support of their patentability viewpoint.
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