USD311550SExpiredUtility

Marking pen

87
Assignee: MITSUBISHI PENCIL COPriority: May 29, 1987Filed: Oct 28, 1987Granted: Oct 23, 1990
Est. expiryMay 29, 2007(expired)· nominal 20-yr term from priority
Inventors:Katsuhiko Yazaki
87
PatentIndex Score
28
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a marking pen, as shown and described.

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