Rogowski coil
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Description
The broken lines shown represent unclaimed subject matter and form no part of the claimed design.
Claims
The ornamental design for a Rogowski coil, as shown and described.
Referenced Cited
U.S. Patent Documents
| 2229461 | January 1941 | Kummich |
| 3833871 | September 1974 | Fisher |
| D442547 | May 22, 2001 | Takebuchi |
| D586745 | February 17, 2009 | Shibata |
| D594412 | June 16, 2009 | Ueki |
| D599233 | September 1, 2009 | Ebenezer |
| D640198 | June 21, 2011 | Wu et al. |
| D669031 | October 16, 2012 | Wagatsuma et al. |
| 20080211484 | September 4, 2008 | Howell et al. |
Patent History
Patent number: D706714
Type: Grant
Filed: Oct 22, 2013
Date of Patent: Jun 10, 2014
Assignee: Fluke Corporation (Everett, WA)
Inventors: Ferdinand Ygona Laurino (Seattle, WA), Christopher W. Lagerberg (Seattle, WA)
Primary Examiner: Derrick Holland
Application Number: 29/470,566
Type: Grant
Filed: Oct 22, 2013
Date of Patent: Jun 10, 2014
Assignee: Fluke Corporation (Everett, WA)
Inventors: Ferdinand Ygona Laurino (Seattle, WA), Christopher W. Lagerberg (Seattle, WA)
Primary Examiner: Derrick Holland
Application Number: 29/470,566
Classifications
Current U.S. Class:
Inductor (e.g., Coil, Etc.) (D13/117)