USD509597SExpiredUtility

Construction concrete block

Priority: Feb 24, 2004Filed: Feb 24, 2004Granted: Sep 13, 2005
Est. expiryFeb 24, 2024(expired)· nominal 20-yr term from priority
Inventors:Paul Yanagisawa
47
PatentIndex Score
13
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a construction concrete block, as shown.

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