USD488661SExpiredUtility
Mattress topper
Est. expiryNov 29, 2021(expired)· nominal 20-yr term from priority
Inventors:Bruce G. Barman
89
PatentIndex Score
41
Cited by
24
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a mattress topper, as shown and described.
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