Patent
   D852251
Priority
Dec 16 2016
Filed
Dec 16 2016
Issued
Jun 25 2019
Expiry
Jun 25 2034
Assg.orig
Entity
unknown
3
18
n/a
The ornamental design for a monocular optical system for refractive error measurements, as shown and described.

FIG. 1 is a top and side perspective view of a monocular optical system for refractive error measurements showing a new design; the dotted lines showing a strap and smart phone illustrate environmental conditions only and form no part of the claimed design; the broken circular lines illustrate environmental conditions only and form no part of the claimed design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; the alignment rectangle drawn in dotted lines illustrates environmental conditions only and forms no part of the claimed design; the broken circular lines illustrate environmental conditions only and form no part of the claimed design;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a bottom front perspective view thereof.

The dotted lines depicting the word “EyeQue” of FIGS. 1, 2, 3 and 4 illustrate environmental conditions only and form no part of the claimed design.

Xu, Ying, Skolianos, Georgios, Serri, John, Hishinuma, David

Patent Priority Assignee Title
D933829, Nov 15 2018 EYEQUE INC Automated personal vision tracker
D940873, Apr 16 2019 SPECT INC Mobile ophthalmoscope
D986418, May 10 2021 EyeQue Inc. Monocular optical device for automated refraction testing
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Dec 16 2016EyeQue Inc.(assignment on the face of the patent)
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