Roofing shingle

Building units and construction elements – Architectural stock material – Panel – tile or applique or floor – wall – roof – etc.

Design Patent

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Design Patent

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D0576316

CLAIM:
The ornamental design for roofing shingles, as shown and described.

REFERENCES:
patent: 1666429 (1928-04-01), Stolp, Jr.
patent: 1898989 (1933-02-01), Harshberger
patent: 2074684 (1937-03-01), Eckert
patent: 3384982 (1968-05-01), Herbert et al.
patent: D466629 (2002-12-01), Phillips
patent: 7257928 (2007-08-01), Glockl
Owens Corning Prominence AR® Shingles.
Jet® 25 Photo Gallery, (Certain Teed).

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