Nuclear gauge calibration device
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The broken lines shown herein are for illustrative purposes only and form no part of the claimed design. The different shading on the three blocks shown in
Claims
The ornamental design for a nuclear gauge calibration device, as shown and described.
- Photographs of a conventional calibration bay setup with three density blocks and one moisture block (four block configuration), date unknown but believed to be prior to Nov. 30, 2011, 3 pages.
Type: Grant
Filed: Nov 30, 2012
Date of Patent: Jun 3, 2014
Assignee: InstroTek, Inc. (Raleigh, NC)
Inventors: Ali Regimand (Raleigh, NC), Peter D. Muse (Durham, NC), Lawrence H. James (Raleigh, NC), Adam C. O'Neill (Raleigh, NC)
Primary Examiner: Antoine D Davis
Application Number: 29/438,573