Digital ammeter
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Description
The broken line portions of the drawings are for illustrative purposes only and form no part of the claimed design.
Claims
The ornamental design for a digital ammeter, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
D696148 | December 24, 2013 | Koyanagawa |
20100207603 | August 19, 2010 | McNulty et al. |
- Operators Manual for SensorLink True RMS Ampstik Model 8-020XT, published Apr. 2009.
- Operators Manual for SensorLink True RMS Ampstik Models 8-022, 8-023, and 8-024, published Apr. 2009.
- Operators Manual for SensorLink True RMS Ampstik Models 8-020 and 8-021, published Jun. 2005.
- Operators Manual for SensorLink Ampstik Models 8-006, 8-007, and 8-008, published Jan. 2006.
- Operators Manual for SensorLink True RMS Ampstik2 Models 8-025 and 8-026, published Jun. 2005.
Patent History
Patent number: D737160
Type: Grant
Filed: Mar 7, 2014
Date of Patent: Aug 25, 2015
Assignee: HD Electric Co. (Waukegan, IL)
Inventors: Michael S. Garner (North Barrington, IL), William J. McNulty (Washington, DC), James S. Buchanan (Northbrook, IL)
Primary Examiner: Antoine D Davis
Application Number: 29/484,365
Type: Grant
Filed: Mar 7, 2014
Date of Patent: Aug 25, 2015
Assignee: HD Electric Co. (Waukegan, IL)
Inventors: Michael S. Garner (North Barrington, IL), William J. McNulty (Washington, DC), James S. Buchanan (Northbrook, IL)
Primary Examiner: Antoine D Davis
Application Number: 29/484,365
Classifications
Current U.S. Class:
Electrical Property (D10/75)