USD315695SExpiredUtility
Illuminated changeable warning signal
Individually held — no corporate assignee on recordPriority: May 6, 1988Filed: May 6, 1988Granted: Mar 26, 1991
Est. expiryMay 6, 2008(expired)· nominal 20-yr term from priority
Inventors:Jack A. Decaro
71
PatentIndex Score
18
Cited by
12
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an illuminated changeable warning signal, as shown and described.
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