Concrete block mold
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The dashed lines in the drawings represent unclaimed portions of the walls of the mold and form no part of the claimed design.
Claims
I claim the ornamental design for a concrete block mold, as shown and described.
Type: Grant
Filed: Jun 1, 2012
Date of Patent: Feb 12, 2013
Assignee: Westblock Systems, Inc. (Salem, OR)
Inventor: James E. Hammer (University Place, WA)
Primary Examiner: Patricia Palasik
Application Number: 29/423,579