USD312097SExpiredUtility

Portable sign

70
Individually held — no corporate assignee on recordPriority: Jun 30, 1988Filed: Jun 30, 1988Granted: Nov 13, 1990
Est. expiryJun 30, 2008(expired)· nominal 20-yr term from priority
Inventors:Lloyd A. Robinson
70
PatentIndex Score
15
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a portable sign, as shown.

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