USD656460SExpiredUtility

Electrical transformer

36
Assignee: THORSTEINSSON SIGURDURPriority: Nov 12, 2003Filed: Feb 23, 2011Granted: Mar 27, 2012
Est. expiryNov 12, 2023(expired)· nominal 20-yr term from priority
Inventors:Sigurdur ThorsteinssonEgil StrykenRichard Tinggren
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PatentIndex Score
1
Cited by
24
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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