USD328310SExpiredUtility

Ball-point pen

82
Assignee: YOSHINAGA CORPPriority: Dec 28, 1990Filed: Apr 17, 1991Granted: Jul 28, 1992
Est. expiryDec 28, 2010(expired)· nominal 20-yr term from priority
Inventors:Shigeo Yoshinaga
82
PatentIndex Score
32
Cited by
11
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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