USD729411SActiveUtility

Ventilated building block

32
Assignee: LEE LUM MARK EPriority: Jun 12, 2013Filed: Jun 12, 2013Granted: May 12, 2015
Est. expiryJun 12, 2033(~6.9 yrs left)· nominal 20-yr term from priority
Inventors:Mark E. Lee Lum
32
PatentIndex Score
3
Cited by
6
References
1
Claims

Claims

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

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