USD543147SExpiredUtility

Changeable plugs system

81
Assignee: HELMS MAN IND CO LTDPriority: Sep 12, 2003Filed: Mar 12, 2004Granted: May 22, 2007
Est. expirySep 12, 2023(expired)· nominal 20-yr term from priority
Inventors:Yuk Hung Ng
81
PatentIndex Score
27
Cited by
14
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a changeable plugs system, as shown.

Join the waitlist — get patent alerts

Track USD543147S — get alerts on status changes and closely related new filings.

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