USD279383SExpiredUtility

Ball point writing instrument

80
Assignee: PARKER PEN COPriority: Sep 6, 1983Filed: Sep 6, 1983Granted: Jun 25, 1985
Est. expirySep 6, 2003(expired)· nominal 20-yr term from priority
Inventors:Thomas W. HillebrandClemens A. Sonntag
80
PatentIndex Score
19
Cited by
4
References
1
Claims

Claims

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

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