USD252155SExpiredUtility
Envelope
Individually held — no corporate assignee on recordPriority: Oct 17, 1977Filed: Oct 17, 1977Granted: Jun 19, 1979
Est. expiryOct 17, 1997(expired)· nominal 20-yr term from priority
Inventors:Sam S. Okimoto
65
PatentIndex Score
15
Cited by
1
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an envelope, substantially as shown.
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