USD323186SExpiredUtility

Ball point pen

89
Assignee: BINNEY & SMITH INCPriority: Oct 6, 1989Filed: Oct 6, 1989Granted: Jan 14, 1992
Est. expiryOct 6, 2009(expired)· nominal 20-yr term from priority
Inventors:David K. ClarkSam D. HanJames F. KowalczykCharles W. Dietterich
89
PatentIndex Score
48
Cited by
7
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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