Twisted block

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United States of America Patent

PATENT NO 10329717
APP PUB NO 20170051458A1
SERIAL NO

15283770

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A block suitable for use in paving, edging or wall applications comprises a lower portion having parallel, substantially vertical side faces that are spaced apart by a first width, and an upper portion having parallel, substantially vertical side faces that are spaced apart by a second width. The second width is smaller than the first width of the lower portion, and the side faces of the upper portion are angled relative to the side faces of the lower portion. The block further comprises a transition portion between the upper and lower portions, having at least one slanted side extending between one or more sides of the lower portion and one or more sides, respectively, of the upper portion.

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First Claim

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Patent Owner(s)

  • KEYSTONE RETAINING WALL SYSTEMS LLC

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
MacDonald, Robert A Plymouth, US 176 3320
Riccobene, Thomas S Albuquerque, US 86 1405

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