Portion of a shingle
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The broken lines are for illustrative purposes only and form no part of the claimed design.
Claims
The ornamental design for a portion of a shingle, as shown and described.
Type: Grant
Filed: Jun 22, 2012
Date of Patent: Jan 15, 2013
Assignee: CertainTeed Corporation (Valley Forge, PA)
Inventor: Robert L. Jenkins (HoneyBrook, PA)
Primary Examiner: Doris Clark
Application Number: 29/425,442