USD850161SActiveUtility

Three-layer mattress spring unit

75
Assignee: BOMEI TEX LTDPriority: Oct 26, 2017Filed: Apr 24, 2018Granted: Jun 4, 2019
Est. expiryOct 26, 2037(~11.2 yrs left)· nominal 20-yr term from priority
Inventors:Lei Ping
75
PatentIndex Score
23
Cited by
16
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a three-layer mattress spring unit, as shown and described.

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