USD550831SExpiredUtility

Duct hanger

Individually held — no corporate assignee on recordPriority: Sep 26, 2005Filed: Sep 26, 2005Granted: Sep 11, 2007
Est. expirySep 26, 2025(expired)· nominal 20-yr term from priority
Inventors:Matthew Rausch
23
PatentIndex Score
1
Cited by
26
References
1
Claims

Claims

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

Join the waitlist — get patent alerts

Track USD550831S — get alerts on status changes and closely related new filings.

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