USD993674SActiveUtility
Mattress topper
Est. expiryFeb 23, 2043(~16.6 yrs left)· nominal 20-yr term from priority
Inventors:Wenhai Zhang
70
PatentIndex Score
4
Cited by
36
References
1
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Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a mattress topper, as shown and described.Cited by (0)
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