USD628713SActiveUtility

Wall block

40
Assignee: KEYSTONE RETAINING WALL SYSTEMPriority: Nov 7, 2008Filed: Jan 8, 2010Granted: Dec 7, 2010
Est. expiryNov 7, 2028(~2.3 yrs left)· nominal 20-yr term from priority
Inventors:David M. LacroixRobert A. Macdonald
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PatentIndex Score
2
Cited by
19
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a wall block, as shown and described.

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