Wall block and wall block system

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United States of America Patent

PATENT NO 9957687
SERIAL NO

15401646

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A wall block, wall block system and method of making a wall block. The wall block including at least one core extending from the top surface to the bottom surface, the at least one core having opposed front and rear surfaces and first and second side surfaces the wall block also including at least one pin hole opening onto the top surface of the block and extending at least a portion of the distance from the top surface to the bottom surface. The at least one pin hole may open onto at least a portion of at least one surface of the at least one core. The block may be provided with channels; the pin hole, channels and core may all be formed in a mold box by a single forming member.

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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

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