USD313040SExpiredUtility

Envelope

Assignee: WESTVACO CORPPriority: Mar 2, 1988Filed: Mar 2, 1988Granted: Dec 18, 1990
Est. expiryMar 2, 2008(expired)· nominal 20-yr term from priority
58
PatentIndex Score
7
Cited by
8
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an envelope, as shown and described.

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