USD285454SExpiredUtility
Envelope blank
Individually held — no corporate assignee on recordPriority: Jan 23, 1984Filed: Jan 23, 1984Granted: Sep 2, 1986
Est. expiryJan 23, 2004(expired)· nominal 20-yr term from priority
Inventors:Fredrick G. Paulk
58
PatentIndex Score
13
Cited by
8
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an envelope blank, as shown and described.
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