USD439611SExpiredUtility
Double writing instrument
Priority: Mar 8, 2000Filed: Mar 8, 2000Granted: Mar 27, 2001
Est. expiryMar 8, 2020(expired)· nominal 20-yr term from priority
69
PatentIndex Score
18
Cited by
8
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a double writing instrument, as shown and described.
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