USD541920SExpiredUtility

Air treatment or purification apparatus

21
Assignee: OXYVITAL LTDPriority: Sep 22, 2005Filed: Sep 22, 2005Granted: May 1, 2007
Est. expirySep 22, 2025(expired)· nominal 20-yr term from priority
Inventors:Brian M. C. NeirynckIlse A. Massenbauer-Strafe
21
PatentIndex Score
1
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for an air treatment or purification apparatus, as shown and described.

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