USD328588SExpiredUtility
Chock block unit
Individually held — no corporate assignee on recordPriority: Oct 19, 1990Filed: Oct 19, 1990Granted: Aug 11, 1992
Est. expiryOct 19, 2010(expired)· nominal 20-yr term from priority
Inventors:Douglas G. Mitchell
62
PatentIndex Score
12
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a chock block unit, as shown and described.
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