USD256372SExpiredUtility

Writing instrument

55
Individually held — no corporate assignee on recordPriority: Apr 21, 1978Filed: Sep 18, 1978Granted: Aug 12, 1980
Est. expiryApr 21, 1998(expired)· nominal 20-yr term from priority
Inventors:David Chu
55
PatentIndex Score
6
Cited by
1
References
1
Claims

Claims

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

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