USD312656SExpiredUtility
Envelope
Individually held — no corporate assignee on recordPriority: Aug 10, 1987Filed: Aug 10, 1987Granted: Dec 4, 1990
Est. expiryAug 10, 2007(expired)· nominal 20-yr term from priority
Inventors:Alfred Huber
77
PatentIndex Score
20
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an envelope, as shown.
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