USD537520SExpiredUtility

Air flow controller for an air vent

66
Assignee: SEIHO INTERNATIONAL INCPriority: Jan 11, 2005Filed: Jul 7, 2005Granted: Feb 27, 2007
Est. expiryJan 11, 2025(expired)· nominal 20-yr term from priority
Inventors:Keisuke Nishizawa
66
PatentIndex Score
16
Cited by
13
References
1
Claims

Claims

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

Join the waitlist — get patent alerts

Track USD537520S — get alerts on status changes and closely related new filings.

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