USD260634SExpiredUtility
Porthole
Individually held — no corporate assignee on recordPriority: Mar 8, 1979Filed: Mar 8, 1979Granted: Sep 8, 1981
Est. expiryMar 8, 1999(expired)· nominal 20-yr term from priority
Inventors:John I. Gates
42
PatentIndex Score
4
Cited by
1
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a porthole, substantially as shown and described.
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