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[Search a list of Patent Appplications for class 351]  Class   351OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING
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   [List of Patents for class 351 subclass 200]  200           EYE EXAMINING OR TESTING INSTRUMENT
   [List of Patents for class 351 subclass 201]  201           Subclass 201 indent level is 1 For fusion and space perception testing (e.g., stereoscopic vision)
    [List of Patents for class 351 subclass 202]  202           Subclass 202 indent level is 2 Of abnormal muscular functioning
    [List of Patents for class 351 subclass 203]  203           Subclass 203 indent level is 1 Eye exercising or training type
    [List of Patents for class 351 subclass 204]  204           Subclass 204 indent level is 1 For interpupillary distance measuring or lens positioning
   [List of Patents for class 351 subclass 205]  205           Subclass 205 indent level is 1 Objective type
   [List of Patents for class 351 subclass 206]  206           Subclass 206 indent level is 2 Including eye photography
   [List of Patents for class 351 subclass 209]  209           Subclass 209 indent level is 2 Including eye movement detection
    [List of Patents for class 351 subclass 210]  210           Subclass 210 indent level is 3 Using photodetector
   [List of Patents for class 351 subclass 211]  211           Subclass 211 indent level is 2 Including projected target image
    [List of Patents for class 351 subclass 212]  212           Subclass 212 indent level is 3 For cornea curvature measurement
    [List of Patents for class 351 subclass 213]  213           Subclass 213 indent level is 2 Including light filter or absorber
    [List of Patents for class 351 subclass 214]  214           Subclass 214 indent level is 2 Including diaphram or slit
    [List of Patents for class 351 subclass 215]  215           Subclass 215 indent level is 2 Including light polarizing means
   [List of Patents for class 351 subclass 216]  216           Subclass 216 indent level is 2 Including lens selectively insertable in optical path
   [List of Patents for class 351 subclass 217]  217           Subclass 217 indent level is 3 On rotary disc
    [List of Patents for class 351 subclass 218]  218           Subclass 218 indent level is 4 Hand held type
    [List of Patents for class 351 subclass 219]  219           Subclass 219 indent level is 2 With contact lens
    [List of Patents for class 351 subclass 220]  220           Subclass 220 indent level is 2 Including reflectors with off-set surfaces
    [List of Patents for class 351 subclass 221]  221           Subclass 221 indent level is 2 Including illuminator
   [List of Patents for class 351 subclass 222]  222           Subclass 222 indent level is 1 Subjective type
    [List of Patents for class 351 subclass 223]  223           Subclass 223 indent level is 2 Self examining type
   [List of Patents for class 351 subclass 224]  224           Subclass 224 indent level is 2 Perimeter type
    [List of Patents for class 351 subclass 225]  225           Subclass 225 indent level is 3 With rotatable arm
    [List of Patents for class 351 subclass 226]  226           Subclass 226 indent level is 3 With bowl type screen
   [List of Patents for class 351 subclass 227]  227           Subclass 227 indent level is 2 Including trial frame
    [List of Patents for class 351 subclass 228]  228           Subclass 228 indent level is 3 With multifocal lens
    [List of Patents for class 351 subclass 229]  229           Subclass 229 indent level is 3 With plural lens carrier
    [List of Patents for class 351 subclass 230]  230           Subclass 230 indent level is 3 With individual lens holder
    [List of Patents for class 351 subclass 231]  231           Subclass 231 indent level is 3 Removably attachable to eye glass frame
    [List of Patents for class 351 subclass 232]  232           Subclass 232 indent level is 2 With light polarzing lens
   [List of Patents for class 351 subclass 233]  233           Subclass 233 indent level is 2 Lens or filter selectively insertable in optical path
   [List of Patents for class 351 subclass 234]  234           Subclass 234 indent level is 3 Mounted on rotatable disc
    [List of Patents for class 351 subclass 235]  235           Subclass 235 indent level is 4 Having plural disc carrier
    [List of Patents for class 351 subclass 236]  236           Subclass 236 indent level is 3 Movable along optical axis
   [List of Patents for class 351 subclass 237]  237           Subclass 237 indent level is 2 Including target image projection
    [List of Patents for class 351 subclass 238]  238           Subclass 238 indent level is 3 Tachistoscope type
   [List of Patents for class 351 subclass 239]  239           Subclass 239 indent level is 2 Including test chart or target
    [List of Patents for class 351 subclass 240]  240           Subclass 240 indent level is 3 Stereoscopic type
    [List of Patents for class 351 subclass 241]  241           Subclass 241 indent level is 3 Astigmatism type
    [List of Patents for class 351 subclass 242]  242           Subclass 242 indent level is 3 Chromaticity type
    [List of Patents for class 351 subclass 243]  243           Subclass 243 indent level is 3 Illuminated
    [List of Patents for class 351 subclass 244]  244           Subclass 244 indent level is 3 Having support or cabinet
    [List of Patents for class 351 subclass 245]  245           Subclass 245 indent level is 1 Support
   [List of Patents for class 351 subclass 246]  246           Subclass 246 indent level is 1 Methods of use
    [List of Patents for class 351 subclass 247]  247           Subclass 247 indent level is 2 For contact lens fitting
   [List of Patents for class 351 subclass 41]  41           SPECTACLES AND EYEGLASSES
    [List of Patents for class 351 subclass 42]  42           Subclass 42 indent level is 1 Lens repair devices
    [List of Patents for class 351 subclass 43]  43           Subclass 43 indent level is 1 Floating or underwater type
   [List of Patents for class 351 subclass 44]  44           Subclass 44 indent level is 1 With antiglare or shading
    [List of Patents for class 351 subclass 45]  45           Subclass 45 indent level is 2 Partially occluding the light-path area
    [List of Patents for class 351 subclass 46]  46           Subclass 46 indent level is 2 Perforated opaque plates or shields
   [List of Patents for class 351 subclass 47]  47           Subclass 47 indent level is 2 Removable and/or adjustable filters or screens (e.g., clip-on type)
    [List of Patents for class 351 subclass 48]  48           Subclass 48 indent level is 3 Spring biased
    [List of Patents for class 351 subclass 49]  49           Subclass 49 indent level is 2 Polarizing
    [List of Patents for class 351 subclass 50]  50           Subclass 50 indent level is 1 With rear-view reflectors
   [List of Patents for class 351 subclass 51]  51           Subclass 51 indent level is 1 With decoration or ornamentation
    [List of Patents for class 351 subclass 52]  52           Subclass 52 indent level is 2 Detachably secured
    [List of Patents for class 351 subclass 53]  53           Subclass 53 indent level is 1 Shooting type
    [List of Patents for class 351 subclass 54]  54           Subclass 54 indent level is 1 Invertible or reversible multifocal type
    [List of Patents for class 351 subclass 55]  55           Subclass 55 indent level is 1 With vertical adjustment of multifocal lenses
    [List of Patents for class 351 subclass 56]  56           Subclass 56 indent level is 1 Lorgnette type
   [List of Patents for class 351 subclass 57]  57           Subclass 57 indent level is 1 With auxiliary lenses movable in and out of the optical path (e.g., clip-on type attachments)
    [List of Patents for class 351 subclass 58]  58           Subclass 58 indent level is 2 Spring biased or secured by friction members
    [List of Patents for class 351 subclass 59]  59           Subclass 59 indent level is 1 Lens pivots in and out of optical path
    [List of Patents for class 351 subclass 60]  60           Subclass 60 indent level is 1 With lens suspension bar (e.g., torsion bar)
    [List of Patents for class 351 subclass 61]  61           Subclass 61 indent level is 1 U-shape or half-moon lens below eye level
    [List of Patents for class 351 subclass 62]  62           Subclass 62 indent level is 1 With moisture prevention or absorption
   [List of Patents for class 351 subclass 63]  63           Subclass 63 indent level is 1 Folding
    [List of Patents for class 351 subclass 64]  64           Subclass 64 indent level is 2 Pince-nez type
   [List of Patents for class 351 subclass 65]  65           Subclass 65 indent level is 1 Pince-nez type (including pince-nez bridges, nose grips and nose pads therefor)
    [List of Patents for class 351 subclass 66]  66           Subclass 66 indent level is 2 With ear chain or temple
    [List of Patents for class 351 subclass 67]  67           Subclass 67 indent level is 2 Plural bridges
    [List of Patents for class 351 subclass 68]  68           Subclass 68 indent level is 2 With resilient extensible bridge
    [List of Patents for class 351 subclass 69]  69           Subclass 69 indent level is 2 Lens and nose grip movable on flexible bridge
    [List of Patents for class 351 subclass 70]  70           Subclass 70 indent level is 2 Posts or studs connecting bridge and nose grip
   [List of Patents for class 351 subclass 71]  71           Subclass 71 indent level is 2 With spring biased nose grips
   [List of Patents for class 351 subclass 72]  72           Subclass 72 indent level is 3 With pivoting levers
    [List of Patents for class 351 subclass 73]  73           Subclass 73 indent level is 4 With flat spiral springs
    [List of Patents for class 351 subclass 74]  74           Subclass 74 indent level is 4 With springs below bridge
    [List of Patents for class 351 subclass 75]  75           Subclass 75 indent level is 4 With springs encased
   [List of Patents for class 351 subclass 76]  76           Subclass 76 indent level is 2 With adjustable or rockable nose grips or pads
    [List of Patents for class 351 subclass 77]  77           Subclass 77 indent level is 3 With ball joints
   [List of Patents for class 351 subclass 78]  78           Subclass 78 indent level is 2 Nose pads or cushions
    [List of Patents for class 351 subclass 79]  79           Subclass 79 indent level is 3 Plural pad parts engage the nose
    [List of Patents for class 351 subclass 80]  80           Subclass 80 indent level is 3 Detachable
    [List of Patents for class 351 subclass 81]  81           Subclass 81 indent level is 3 Perforated or serrated
    [List of Patents for class 351 subclass 82]  82           Subclass 82 indent level is 3 Fluid-filled or suction type
   [List of Patents for class 351 subclass 83]  83           Subclass 83 indent level is 1 Continuous rim mounting
    [List of Patents for class 351 subclass 84]  84           Subclass 84 indent level is 2 With rotating means for multifocal lenses
    [List of Patents for class 351 subclass 85]  85           Subclass 85 indent level is 2 Upper rim portion slotted
    [List of Patents for class 351 subclass 86]  86           Subclass 86 indent level is 2 With lens retaining or locking means
    [List of Patents for class 351 subclass 87]  87           Subclass 87 indent level is 2 Nose guards or pads integral with frame
    [List of Patents for class 351 subclass 88]  88           Subclass 88 indent level is 2 Nose guards or pads removable or adjustable
    [List of Patents for class 351 subclass 89]  89           Subclass 89 indent level is 2 With brace arm temple support
   [List of Patents for class 351 subclass 90]  90           Subclass 90 indent level is 1 Split rim mounting
   [List of Patents for class 351 subclass 91]  91           Subclass 91 indent level is 2 With brow pieces or top arms
    [List of Patents for class 351 subclass 92]  92           Subclass 92 indent level is 3 Screwless lens mounting
    [List of Patents for class 351 subclass 93]  93           Subclass 93 indent level is 2 With brace arm supports for temple or lens
    [List of Patents for class 351 subclass 94]  94           Subclass 94 indent level is 2 With auxiliary bridge
    [List of Patents for class 351 subclass 95]  95           Subclass 95 indent level is 2 Expansible and contractible lens rim
    [List of Patents for class 351 subclass 96]  96           Subclass 96 indent level is 2 Locking member secures lens against rotation
    [List of Patents for class 351 subclass 97]  97           Subclass 97 indent level is 2 Split connected by U-clamps or pivot links
    [List of Patents for class 351 subclass 98]  98           Subclass 98 indent level is 2 Split on nasal side of rim (i.e., at bridge)
    [List of Patents for class 351 subclass 99]  99           Subclass 99 indent level is 2 Clamp and temple pivot screw spaced along rim clamping arm
    [List of Patents for class 351 subclass 100]  100           Subclass 100 indent level is 2 Clamp and temple pivot screw coincident on rim clamping arm
    [List of Patents for class 351 subclass 101]  101           Subclass 101 indent level is 2