USD444171SExpiredUtility
Double cartridge writing instrument
Priority: Jun 22, 2000Filed: Jun 22, 2000Granted: Jun 26, 2001
Est. expiryJun 22, 2020(expired)· nominal 20-yr term from priority
Inventors:Don E. Mccullough
75
PatentIndex Score
43
Cited by
8
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a double cartridge writing instrument, as shown and described.
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