USD333486SExpiredUtility

Ball point pen

70
Assignee: DUPONT S TPriority: Oct 9, 1989Filed: Feb 28, 1990Granted: Feb 23, 1993
Est. expiryOct 9, 2009(expired)· nominal 20-yr term from priority
Inventors:Xavier Rousseau
70
PatentIndex Score
12
Cited by
4
References
1
Claims

Claims

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

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