USD306315SExpiredUtility

Combined twin-nibbed marker and ball-point pen

80
Assignee: COLLEEN PENCILPriority: Apr 24, 1987Filed: Apr 24, 1987Granted: Feb 27, 1990
Est. expiryApr 24, 2007(expired)· nominal 20-yr term from priority
Inventors:Koichi Shintani
80
PatentIndex Score
20
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a combined twin-nibbed marker and ball-point pen, as shown and described.

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