USD430680SExpiredUtility

Concrete block

54
Assignee: HANDY STONE CORPPriority: Jan 15, 1999Filed: Jan 15, 1999Granted: Sep 5, 2000
Est. expiryJan 15, 2019(expired)· nominal 20-yr term from priority
Inventors:Peter J. BlomquistTodd P. Strand
54
PatentIndex Score
8
Cited by
88
References
1
Claims

Claims

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

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