USD315528SExpiredUtility
Caution signal for hazardous situation
Individually held — no corporate assignee on recordPriority: Oct 7, 1988Filed: Oct 7, 1988Granted: Mar 19, 1991
Est. expiryOct 7, 2008(expired)· nominal 20-yr term from priority
Inventors:Ronald D. Nickolett
60
PatentIndex Score
16
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a caution signal for hazardous situation, as shown and described.
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