USD333600SExpiredUtility
Concrete groover
Individually held — no corporate assignee on recordPriority: Jun 3, 1991Filed: Jun 3, 1991Granted: Mar 2, 1993
Est. expiryJun 3, 2011(expired)· nominal 20-yr term from priority
Inventors:Christopher J. Brandvold
44
PatentIndex Score
7
Cited by
25
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a concrete groover, as shown.
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