USD620615SActiveUtility

Wall block

90
Assignee: KEYSTONE RETAINING WALL SYSTEMPriority: Oct 16, 2008Filed: Apr 10, 2009Granted: Jul 27, 2010
Est. expiryOct 16, 2028(~2.2 yrs left)· nominal 20-yr term from priority
Inventors:Robert A. MacdonaldDavid M. Lacroix
90
PatentIndex Score
34
Cited by
16
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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