USD344542SExpiredUtility

Plaque for use as a teaching aid and collectable item

39
Individually held — no corporate assignee on recordPriority: Jan 7, 1992Filed: Jan 7, 1992Granted: Feb 22, 1994
Est. expiryJan 7, 2012(expired)· nominal 20-yr term from priority
Inventors:Huei Meng Chang
39
PatentIndex Score
5
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a plaque for use as a teaching aid and collectable item, as shown.

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