USD319845SExpiredUtility

Mechanical pen

94
Assignee: STAEDTLER FA J SPriority: Mar 13, 1989Filed: Mar 13, 1989Granted: Sep 10, 1991
Est. expiryMar 13, 2009(expired)· nominal 20-yr term from priority
Inventors:Gerald GrotschFriedrich Heger
94
PatentIndex Score
75
Cited by
7
References
1
Claims

Claims

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

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