Optical time domain reflectometer
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Description
The button names “MENU”, “ESC”, “AVG”, “REAL TIME”, and “Enter” depicted in
Claims
The ornamental design for an optical time domain reflectometer, as shown and described.
Referenced Cited
U.S. Patent Documents
6813012 | November 2, 2004 | Ziegler |
7373069 | May 13, 2008 | Lazo |
7876334 | January 25, 2011 | Bychkov |
D640580 | June 28, 2011 | Bibeau |
8520201 | August 27, 2013 | Huang |
8976334 | March 10, 2015 | Beckers |
D739277 | September 22, 2015 | Martel |
D763712 | August 16, 2016 | Recoura-Massaquant |
D763713 | August 16, 2016 | Martel |
D786107 | May 9, 2017 | Pileggi |
10012564 | July 3, 2018 | Irving |
D830209 | October 9, 2018 | Wang |
Patent History
Patent number: D850951
Type: Grant
Filed: Jan 13, 2018
Date of Patent: Jun 11, 2019
Assignee: INNO INSTRUMENT (CHINA) .INC (Weihai)
Inventor: Yangri Zhao (WeiHai)
Primary Examiner: Antoine Duval Davis
Application Number: 29/633,428
Type: Grant
Filed: Jan 13, 2018
Date of Patent: Jun 11, 2019
Assignee: INNO INSTRUMENT (CHINA) .INC (Weihai)
Inventor: Yangri Zhao (WeiHai)
Primary Examiner: Antoine Duval Davis
Application Number: 29/633,428
Classifications
Current U.S. Class:
Provided With Handle, Or Hand-held (D10/78)