Arc guard system
- ABB AB
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Description
Claims
The ornamental design for an arc guard system, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D644614
Type: Grant
Filed: Apr 1, 2009
Date of Patent: Sep 6, 2011
Assignee: ABB AB (Västerås)
Inventor: Göran Engblom (Västerås)
Primary Examiner: Thomas Johannes
Attorney: Dilworth & Barrese, LLP.
Application Number: 29/314,446
Type: Grant
Filed: Apr 1, 2009
Date of Patent: Sep 6, 2011
Assignee: ABB AB (Västerås)
Inventor: Göran Engblom (Västerås)
Primary Examiner: Thomas Johannes
Attorney: Dilworth & Barrese, LLP.
Application Number: 29/314,446
Classifications