USD686440SActiveUtility

Chair backrest

54
Assignee: XINGCHANG YANGPriority: Aug 22, 2012Filed: Aug 22, 2012Granted: Jul 23, 2013
Est. expiryAug 22, 2032(~6.1 yrs left)· nominal 20-yr term from priority
Inventors:Yang Xingchang
54
PatentIndex Score
9
Cited by
8
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a chair backrest, as shown and described.

Join the waitlist — get patent alerts

Track USD686440S — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.