USD338038SExpiredUtility

Ball point pen

89
Assignee: PENTEL KKPriority: Aug 30, 1991Filed: Feb 25, 1992Granted: Aug 3, 1993
Est. expiryAug 30, 2011(expired)· nominal 20-yr term from priority
Inventors:Shigeo OkaToshiya Hamai
89
PatentIndex Score
51
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1
References
1
Claims

Claims

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

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