Patent
   D850951
Priority
Aug 04 2017
Filed
Jan 13 2018
Issued
Jun 11 2019
Expiry
Jun 11 2034
Assg.orig
Entity
unknown
0
12
n/a
The ornamental design for an optical time domain reflectometer, as shown and described.

FIG. 1 is a front view of an optical time domain reflectometer, showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left view thereof;

FIG. 4 is a right view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a front perspective view thereof; and,

FIG. 8 is a rear perspective view thereof.

The button names “MENU”, “ESC”, “AVG”, “REAL TIME”, and “Enter” depicted in FIG. 1 and FIG. 7 merely represent written matter surface ornamentation which does not form any part of the claimed design.

Zhao, Yangri

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Jan 12 2018ZHAO, YANGRIINNO INSTRUMENT CHINA INCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0446150565 pdf
Jan 13 2018INNO INSTRUMENT (CHINA) .INC(assignment on the face of the patent)
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