USD1015516SActiveUtility

Air filter device

43
Assignee: GREENFILTEC LTDPriority: Dec 21, 2020Filed: May 17, 2021Granted: Feb 20, 2024
Est. expiryDec 21, 2040(~14.4 yrs left)· nominal 20-yr term from priority
Inventors:Po-Hung LinYu-De Lien
43
PatentIndex Score
1
Cited by
25
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for an air filter device, as shown and described.

Join the waitlist — get patent alerts

Track USD1015516S — get alerts on status changes and closely related new filings.

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