USD542221SExpiredUtility

Portable backup power supply

65
Assignee: XANTREX INTPriority: Oct 21, 2005Filed: Nov 28, 2005Granted: May 8, 2007
Est. expiryOct 21, 2025(expired)· nominal 20-yr term from priority
Inventors:Marius George HriscuPeter Tai Kwong CheungGrant Iverson DunbarAlexander Jeffrey FeldmanLawrence C. NeillRobert Bruce PriorRobbie Gordon RobertsDavid Deroy Vanzuydewyn
65
PatentIndex Score
16
Cited by
8
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a portable backup power supply, as shown and described.

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