Vision assessment chart

Information

  • Patent Grant
  • D948724
  • Patent Number
    D948,724
  • Date Filed
    Tuesday, April 16, 2019
    5 years ago
  • Date Issued
    Tuesday, April 12, 2022
    2 years ago
  • Inventors
    • Zhang; Fuxiang (Luna Pier, MI, US)
    • Su; Charles
  • Original Assignees
  • Examiners
    • McVey; Lauren D
    • Johnson; Justin A
    Agents
    • Brooks Kushman P.C.
  • US Classifications
    Field of Search
    • US
    • D03 201
    • D03 2031
    • D14 372
    • D16 100
    • D16 218
    • D16 219
    • D16 220
    • D16 221
    • D16 237
    • D16 242
    • D16 243
    • D16 300
    • D16 331
    • D24 107
    • D24 133
    • D24 137
    • D24 138
    • D24 150
    • D24 158
    • D24 159
    • D24 160
    • D24 172
    • D24 183
    • D24 185
    • D24 186
    • D24 188
    • D24 216
    • D24 217
    • D24 218
    • D24 234
    • CPC
    • A61B3/00
    • A61B3/0008
    • A61B3/0016
    • A61B3/0033
    • A61B3/0041
    • A61B3/005
    • A61B3/0058
    • A61B3/0075
    • A61B3/0091
    • A61B3/02
    • A61B3/10
    • A61B3/1176
    • A61B3/12
    • A61B3/1208
    • A61B3/13
    • A61B3/132
    • A61B3/14
    • A61B3/18
    • A61B2017/00017
    • A61F9/00
    • A61F9/007
    • A63F2300/8082
    • B24B1/00
    • B24B1/002
    • B24B1/005
    • B24B1/007
    • B24B1/04
    • B24B1/24
    • B24B1/0025
  • International Classifications
    • 2402
    • Term of Grant
      15Years
Abstract
Description


FIG. 1 is a symmetrical front view of a vision assessment chart showing our new design according to a first embodiment;



FIG. 2 is an enlarged view of portion 2 of FIG. 1;



FIG. 3 is an enlarged view of portion 3 of FIG. 1;



FIG. 4 is an enlarged view of portion 4 of FIG. 1;



FIG. 5 is a side view of the vision assessment chart of FIG. 1, where all other side views are identical;



FIG. 6 is a symmetrical front view of a vision assessment chart showing our new design according to a second embodiment;



FIG. 7 is an enlarged view of portion 7 of FIG. 6;



FIG. 8 is an enlarged view of portion 8 of FIG. 6;



FIG. 9 is an enlarged view of portion 9 of FIG. 6; and,



FIG. 10 is a side view of the vision assessment chart of FIG. 6, where all other side views are identical.


The broken lines show environment and form no part of the claimed design. Color is claimed in FIGS. 1, 2, 3 and 4, with the color green claimed in FIG. 2, the color yellow claimed in FIG. 3, and the color red claimed in FIG. 4. Color is not claimed in FIGS. 6, 7, 8 and 9. Text and lead lines are not claimed in FIGS. 1 and 6.


Claims
  • The ornamental design for a vision assessment chart, as shown and described.
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Entry
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