USD330388SExpiredUtility
Combined felt-tipped pen and eraser
Individually held — no corporate assignee on recordPriority: Aug 21, 1989Filed: Aug 21, 1989Granted: Oct 20, 1992
Est. expiryAug 21, 2009(expired)· nominal 20-yr term from priority
Inventors:Byung-Sung Choi
75
PatentIndex Score
22
Cited by
7
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a conbined felt-tipped pen and eraser, as shown and described.
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