USD613687SExpiredUtility

Electrical transformer

38
Assignee: ABB T & D TECH LTDPriority: Nov 12, 2003Filed: May 5, 2009Granted: Apr 13, 2010
Est. expiryNov 12, 2023(expired)· nominal 20-yr term from priority
Inventors:Sigurdur ThorsteinssonEgil StrykenRichard Tinggren
38
PatentIndex Score
1
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19
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an electrical transformer, as shown and described.

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