USD404955SExpiredUtility
Supplemental mattress
Individually held — no corporate assignee on recordPriority: Aug 29, 1997Filed: Aug 29, 1997Granted: Feb 2, 1999
Est. expiryAug 29, 2017(expired)· nominal 20-yr term from priority
Inventors:Frederick J. Buonocore
66
PatentIndex Score
20
Cited by
17
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a supplemental mattress, as shown and described.
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