CLASS 351, OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING |
200 | EYE EXAMINING OR TESTING INSTRUMENT: |
This subclass is indented under the class definition. Subject matter including ophthalmic instruments, optical
systems and methods for testing vision, for optical examination
and diagnosis (and treatment) with respect to
disease and irregularities of the eye, and for ascertaining
lenses for correcting errors of refraction or other defects of the
eye.
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201 | . For fusion and space perception testing (e.g., stereoscopic vision): |
This subclass is indented under subclass 200. Subject matter including instruments used for testing simultaneous
binocular vision for determining space perception and determining
the condition of prismatic imbalance, both vertically and
laterally, of a pair of eyes.
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202 | .. Of abnormal muscular functioning: |
This subclass is indented under subclass 201. Subject matter relates to apparatus for detecting the state
of extrinsic ocular muscles and for determining the amount of imbalance
or insufficiency thereof.
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203 | . Eye exercising or training type: |
This subclass is indented under subclass 200. Subject matter including multipurpose instruments, which
serve to examine and test the eye to rectify defective vision, and
which may be used to subject the eyes to a controlled muscle strain
period or flashed illumination for training and exercising purposes.
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204 | . For interpupillary distance measuring or lens positioning: |
This subclass is indented under subclass 200. Subject matter including instruments for ascertaining the
accurate distance between the pupils of a patient’s eyes
so that spectacle frames and/or eyeglass lenses will be
properly related to the pupils.
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205 | . Objective type: |
This subclass is indented under subclass 200. Subject matter including instruments for examining the eye
of a patient independently of the patient’s perceptions
of responses, for example, by observing a light
or image directed onto or into the eye to diagnose the eye or to
ascertain the power of refraction.
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206 | .. Including eye photography: |
This subclass is indented under subclass 205. Subject matter includes still or motion-picture apparatus
for photographing the interior of the eye.
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207 | ... Having spurious reflection blocking: |
This subclass is indented under subclass 206. Subject matter including means for blocking undesirable reflections from the eye, or from elements in the optical path. | |
208 | ... Having means to detect proper distance or alignment (i.e., eye to instrument): |
This subclass is indented under subclass 206. Subject matter including means for indicating when the photographing instrument and the eye are at the proper alignment or distance with respect to each other. | |
209 | .. Including eye movement detection: |
This subclass is indented under subclass 205. Subject matter including means for indicating or recording eye movement. | |
210 | ... Using photodetector: |
This subclass is indented under subclass 209. Subject matter where the indicating or recording means is a photosensitive device. | |
211 | .. Including projected target image: |
This subclass is indented under subclass 205. Subject matter wherein light rays or images of illuminated
targets or reticules are projected onto a selected plane in the
eye or a patient during examination.
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212 | ... For cornea curvature measurement: |
This subclass is indented under subclass 211. Subject matter wherein the projected target image is used
for measuring the curvature of the cornea.
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213 | .. Including light filter or absorber: |
This subclass is indented under subclass 205. Subject matter including a filter or absorber wherein a
light beam directed into a patient’s eye is of a specific
color or wave length, or wherein the luminous intensity
of the light is weakened to a desired magnitude by appropriate absorbers.
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214 | .. Including diaphragm of slit: |
This subclass is indented under subclass 205. Subject matter in which a movable diaphragm or narrow slit
is provided through which a strong light is passes into the eye
being tested.
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215 | .. Including light polarizing means: |
This subclass is indented under subclass 205. Subject matter including a light polarizer wherein the light
which is directed into or emerges from the eye of a patient is polarized to
avoid reflexes and to obtain the greatest possible intensity of
illumination and image-clarity.
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216 | .. Including lens selectively insertable in optical path: |
This subclass is indented under subclass 205. Subject matter wherein adjustably mounted test lens(es) are
selectively placed in front of the observed eye for measuring the
refraction of the eye so as to provide correcting lenses therefor.
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217 | ... On rotary disc: |
This subclass is indented under subclass 216. Subject matter wherein multiple test lenses are eccentrically
mounted on either a single rotary disc or a pair of rotary discs.
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218 | .... Hand held type: |
This subclass is indented under subclass 217. Subject matter includes test instruments with rotatable
multiple lens discs which are portable and held in hand during examination.
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219 | .. With contact lens: |
This subclass is indented under subclass 205. Subject matter which includes a lens which makes contact
with the eye.
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220 | .. Including reflectors with off-set surfaces: |
This subclass is indented under subclass 205. Subject matter wherein a light deflecting device, such
as a mirror or reflector has two reflecting surfaces, offset
with respect to each other, in order to provide a sight
opening for the oculist to view the eye.
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221 | .. Including illuminator: |
This subclass is indented under subclass 205. Subject matter relating to devices including a light source
for internal or external illumination of the eye during examination
and/or photographing thereof.
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222 | . Subjective type: |
This subclass is indented under subclass 200. Subject matter including instruments through which the patient
views a test object (target) or the test object
so viewed, for detecting various ocular characteristics
or deficiencies of the patient or for prescribing necessary corrections for
the patient’s vision based on the patient’s perceptions
or responses.
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223 | .. Self examining type: |
This subclass is indented under subclass 222. Subject matter includes eye testing devices which may be
operated by a person testing his own eyes.
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224 | .. Perimeter type: |
This subclass is indented under subclass 222. Subject matter including a surface usually illuminated from
a light source together with test targets movable along the inside
face of the surface, which targets are viewed by the patient undergoing
eye examination for determining fiel of vision.
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225 | ... With rotatable arm: |
This subclass is indented under subclass 224. Subject matter where the means for producing the test targets on the surface is a rotatable arm. | |
226 | ... With bowl type screen: |
This subclass is indented under subclass 224. Subject matter wherein the surface is shaped as a hollow hemispherical bowl or cup carrying inside suitable test patterns or targets which are viewed by the patient. | |
227 | .. Including trial frames: |
This subclass is indented under subclass 222. Subject matter including frame structure for removably, adjustably
and selectively supporting test lenses before the patient’s
eyes during examination, the structure being adjustable
to the features of the patient’s head.
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228 | ... With multifocal lens: |
This subclass is indented under subclass 227. Subject matter including structure for selecting near and far vision portions of multifocal lenses, demonstrating optical characteristics of multifocal lens segments, and for properly locating the segments relative to the basic lens and the eyes of the patient. | |
229 | ... With plural lens carrier: |
This subclass is indented under subclass 227. Subject matter including frame structure for selectively
supporting a plurality of different test lenses in series in separate
spaced apart relation, and usually having open-topped
ring-type holders.
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230 | ... With individual lens holder: |
This subclass is indented under subclass 227. Subject matter including individual lens holders for single
test lenses which may be temporarily and interchangeably inserted
into trial or conventional eyeglass frames.
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231 | ... Removably attachable to eyeglass frame: |
This subclass is indented under subclass 227. Subject matter where the frame structure is removably attachable to an eyeglass frame. | |
232 | .. With light polarizing lens: |
This subclass is indented under subclass 222. Subject matter wherein adjustable light polarizing means
are positioned in the light beam of a projected test-image
and/or before each eye of a patient viewing a test target.
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233 | .. Lens or filter selectively insertable in optical path: |
This subclass is indented under subclass 222. Subject matter wherein the instrument includes selective
lenses or spectacle frames carrying lenses of different power movable
into and out of eye testing position until errors of refraction are
determined, proper lenses have been found and/or
corrected vision is obtained.
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234 | ... Mounted on rotatable disc: |
This subclass is indented under subclass 233. Subject matter wherein the person undergoing eye examination
views a test object through test lenses mounted in a circle on one
or several rotatable discs, each lens having a different spherical, cylindrical
or light absorbing power.
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235 | .... Having plural disc carrier: |
This subclass is indented under subclass 234. Subject matter wherein two eye testing units, one for each eye, are supported on a standard, each of the units comprising a plurality of rotatable test lens discs, which are superposed and mounted on or in the same housing or baseplate on a common central axis. | |
236 | ... Movable along optical axis: |
This subclass is indented under subclass 233. Subject matter wherein individual trial lenses or optical
systems comprising plural superimposed adjustable lenses are movable
along the optical axis before the eyes of a patient in a plane vertical
to the direction of sight.
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237 | .. Including target image projection: |
This subclass is indented under subclass 222. Subject matter wherein a still projector casts one or more
illuminated chart or target images on a screen for use in vision
testing.
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238 | ... Tachistoscope type: |
This subclass is indented under subclass 237. Subject matter wherein written material or other target-subject
matter us projected onto a screen or shown on a panel for controlled
short periods of time to test the reading ability or visual acuity
of an individual’s eyes.
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239 | .. Including test chart or target: |
This subclass is indented under subclass 222. Subject matter including charts with movable or stationary
patterns or targets for either direct reading, or in relation
with an optical instrument for testing or otherwise determining visual
acuity or errors of refraction of the eye.
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240 | ... Stereoscopic type: |
This subclass is indented under subclass 239. Subject matter comprising stereoscopic or depth perception target-charts, such as used for testing muscle-imbalance and or depth perception of the eye. | |
241 | ... Astigmatism type: |
This subclass is indented under subclass 239. Subject matter comprising eye test charts having for example
changeable color lines or colored contour bands, to determine
the axis and amount of astigmatism and the required cylindrical
lens axis.
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242 | ... Chromaticity type: |
This subclass is indented under subclass 239. Subject matter relating to polychromatic charts or plates
used in color deficiency or color sensitivity test, the
plates or charts exposing to the viewer graphic representations
of different particular colors and/or varying intensity.
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243 | ... Illuminated: |
This subclass is indented under subclass 239. Subject matter including structure for illuminating the
chart or target, or for backlighting perforated or translucent
symbols.
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244 | ... Having support or cabinet: |
This subclass is indented under subclass 239. Subject matter wherein reading charts or test targets are
supported by and individually exhibited at a display window of a
cabinet or removably secured to a base board or handle.
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245 | . Support: |
This subclass is indented under subclass 200. Subject matter relates to adjustable stands or bases which
support ophthalmic diagnostic test instruments for test charts.
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246 | . Methods of use: |
This subclass is indented under subclass 200. Subject matter including the methods of operating or utilizing
the instruments as defined in this subclass for the purpose of examining
or testing the eyes.
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247 | .. For contact lens fitting: |
This subclass is indented under subclass 246. Subject matter limited to process for measuring and determining
the curvature of a patient’s eyeball so that the bearing
surfaces of a contact lens may be made to fit the eyeball accurately.
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41 | SPECTACLES AND EYEGLASSES: |
This subclass is indented under the class definition. Subject matter including an ophthalmic element or elements
such as a spherical or cylindrical lens, a filter, polarizing
element, or prism interposed in the path of vision of one
or both eyes for correcting vision defects or abnormalities or protecting
the eyes from undesired rays together with structure for positioning
or supporting these elements from or on the head of the user in
correct operative position.
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42 | . Lens repair devices: |
This subclass is indented under subclass 41. Subject matter limited to eyeglass repairing devices whereby
a broken lens of a pair of eyeglasses may be temporarily repaired
until a new lens is available, as for example a metal member
or a transparent wafer strongly clamped onto or cemented to the
broken lens parts.
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43 | . Floating or underwater type: |
This subclass is indented under subclass 41. Subject matter wherein a light-weight float is removable
attached to a spectacle frame for recovering glasses accidentally
dropped into the water, or wherein the spectacles are especially
adapted for underwater use as to enable the human eye to accommodate
for distortionless viewing of objects under water.
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44 | . With antiglare or shading: |
This subclass is indented under subclass 41. Subject matter including light absorbing lenses such as
polarizing or colored lenses either framed or rimless, to
shield the eyes of a wearer from the glare of the sun or from other undesirable
or harmful light rays.
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45 | .. Partially occluding the light-path area: |
This subclass is indented under subclass 44. Subject matter wherein antiglare spectacles are provided
with lenses having combined a clear-glass section and a
section or sections of different light absorption, the
latter covering only a part of the field of sight, so that
without imparting the general vision the eyes may be screened from
an undesirable light source by a slight movement of the head.
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46 | .. Perforated opaque plates or shields: |
This subclass is indented under subclass 44. Subject matter wherein antiglare spectacles comprise semitransparent
or opaque plates having adjustable or fixed perforations or slits therein.
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47 | .. Removable and/or adjustable filters or screens (e.g., clip-on type): |
This subclass is indented under subclass 44. Subject matter including colored or other antiglare filter
screens removably or adjustably connected with spectacle frames
of various styles or sizes.
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48 | ... Spring biased: |
This subclass is indented under subclass 47. Subject matter wherein the filters or screens are securely
mounted on or readily attached to spectacles by integral or bridge-type
spring means which hold the light absorbing mediums in different
operative positions desired by the wearer.
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49 | .. Polarizing: |
This subclass is indented under subclass 44. Subject matter wherein variable density lenses or viewing
screens comprise fixed or adjustable superimposed light polarizing
bodies which may be adjusted to filter any amount of light from
a predetermined maximum to a predetermined minimum.
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50 | . With rear-view reflectors: |
This subclass is indented under subclass 41. Subject matter including one or more mirrors together with
structure for supporting or attaching the mirror or mirrors on a
part of the spectacle to provide rear vision for the spectacle wearer.
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51 | . With decoration or ornamentation: |
This subclass is indented under subclass 41. Subject matter wherein a spectacle frame or its ophthalmic
lens is ornamented with decorative attachments or inserts.
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52 | .. Detachably secured: |
This subclass is indented under subclass 51. Subject matter wherein the decorative devices are so attached to the various frame or lens parts as to be readily removable therefrom. | |
53 | . Shooting type: |
This subclass is indented under subclass 41. Subject matter is limited to spectacles peculiarly adapted
for the aiming of firearms.
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54 | . Invertible or reversible multifocal type: |
This subclass is indented under subclass 41. Subject matter wherein spectacles with multifocal lenses
may be inverted or turned upside down as a unit, or in
which the lenses, per se, may be revolved inside
the frame so that bifocal segments may stand at the top or bottom
of the lenses.
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55 | . With vertical adjustment of multifocal lenses: |
This subclass is indented under subclass 41. Subject matter wherein the mounting is adjustable to permit
vertical movement of multifocal lenses to selectively position the
near and distance vision portions in the line of vision.
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56 | . Lorgnette type: |
This subclass is indented under subclass 41. Subject matter including an elongated handle attached to
the frame for holding the glasses in the viewing position, the
handle constituting the sole support for the glasses in this viewing position.
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57 | . With auxiliary lenses movable in and out of the optical path (e.g., clip-on type attachments): |
This subclass is indented under subclass 41. Subject matter wherein supplemental lenses or glasses without
temples are movably attached to permanent reading or farsight main
spectacles.
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58 | .. Spring biased or secured by friction members: |
This subclass is indented under subclass 57. Subject matter wherein the supplemental lenses or glasses
are retained on the main eyeglasses by spring loaded clamping members
or by circumferentially secured friction clips.
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59 | . Lens pivots in and out of optical path: |
This subclass is indented under subclass 41. Subject matter wherein mounted or rimless lenses are movably
connected to glassless spectacle frames or glassless support rods
to swing from an operative position in the line of vision to an
inoperative position above the eyes.
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60 | . With lens suspension bar (e.g., torsion bar): |
This subclass is indented under subclass 41. Subject matter wherein rimless or rimmed lenses are suspended
from or mounted on a usually rectilinear rod, or are suspended
from or mounted on oppositely extending bars embodying nose engaging
means.
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61 | . U-shape or half-moon lens below eye level: |
This subclass is indented under subclass 41. Subject matter having lenses of narrow vertical dimension
which lie well below the horizontal line of vision and provide unobstructed
vision over the top of the lenses.
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62 | . With moisture prevention or absorption: |
This subclass is indented under subclass 41. Subject matter wherein lens retaining rims are provided
with moisture reducing and air-ventilating openings, or
wherein a sweat or moisture absorbing cushion is mounted between
the lens rims.
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63 | . Folding: |
This subclass is indented under subclass 41. Subject matter in which the frame of the spectacles (usually
in the central part of the bridge or temple) may be folded
or otherwise adjusted so that portions of the frame, usually
the lens portions are superposed to lie one upon the other, but
which are in the same plane and alignment when unfolded and opened
for use.
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64 | .. Pince-nez type: |
This subclass is indented under subclass 63. Subject matter limited to folding eyeglasses of the pince-nez-type.
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65 | . Pince-nez type (including pince-nez bridges, nose grips and nose pads therefor): |
This subclass is indented under subclass 41. Subject matter limited to eyeglasses which are provided
with nose gripping means for supporting the lenses before the user’s
eyes.
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66 | .. With ear chain or temple: |
This subclass is indented under subclass 65. Subject matter wherein a temple or a chain with a hook is
attached to the lens or rim, as for steadying the pince-nez
in position or for preventing the glasses from falling.
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67 | .. Plural bridges: |
This subclass is indented under subclass 65. Subject matter wherein rimless or rimmed lenses are connected
by a bridge (usually spring) and by a supplemental
bridge.
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68 | .. With resilient extensible bridge: |
This subclass is indented under subclass 65. Subject matter wherein the lenses are connected by a bridge
which may be extended in length against the biasing action of a
spring as where the bridge comprises two arms sliding one beside
or within the other together with an expandable spiral spring around
the arms to force the lenses nearer together and the nose grips
into contact with each side of the nose.
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69 | .. Lens and nose grip movable on flexible bridge: |
This subclass is indented under subclass 65. Subject matter including a resilient bridge or a bridge
having resilient portions, the lenses being capable of
swinging movement so that a separating motion of the nose grips
is produced.
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70 | .. Posts or studs connecting bridge and nose grip: |
This subclass is indented under subclass 65. Devices wherein the bridge or bow spring, the lens
connectors or holders, and the nose guards have a common
junction, as by being interconnected within a box by a
screw or pin.
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71 | .. With spring biased nose grip: |
This subclass is indented under subclass 65. Subject matter wherein the nose grips or guards are formed
of resilient material or are combined with a spring to bias the
guards with respect to the bridge to properly engage the nose and
retain the glasses thereon.
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72 | ... With pivoting levers: |
This subclass is indented under subclass 71. Subject matter wherein the nose grips include two finger-engaging
lever portions, both being biased as by helical or leaf
springs.
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73 | .... With flat spiral springs: |
This subclass is indented under subclass 72. Devices wherein the grips are supported and/or biased by a strip of flat spiral or leaf-type spring. | |
74 | .... With springs below bridge: |
This subclass is indented under subclass 72. Devices wherein pivoting nose grips are activated by springs mounted on the under side of the bridge. | |
75 | .... With springs encased: |
This subclass is indented under subclass 72. Devices wherein the nose grips are actuated by springs which
are retained and covered by a hollow cup or barrel.
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76 | .. With adjustable or rockable nose grips or pads: |
This subclass is indented under subclass 65. Subject matter wherein the nose grips or pads can be adjusted
on their supports in one or more directions so as to fit any shape
of nose.
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77 | ... With ball joints: |
This subclass is indented under subclass 76. Subject matter wherein the nose grips or pads are connected
with the pince-nez bridge or spring by ball-and-socket
joints to cause the grips or pads to assume the proper and most suitable
position relative to the nose.
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78 | .. Nose pads or cushions: |
This subclass is indented under subclass 65. Subject matter wherein resilient, soft or padded elements
are attached to the metallic nose grips or guards which wear on
the nose of a wearer to support pince-nez- type
eyeglasses.
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79 | ... Plural pad parts engage the nose: |
This subclass is indented under subclass 78. Subject matter in which a supplemental pad or supplemental nose engaging portions are provided on the main bearing pad for increased gripping action. | |
80 | ... Detachable: |
This subclass is indented under subclass 78. Subject matter wherein the nose pads or the supporting guards
are provided with means whereby the pads may be readily attached
or detached for removal or replacement.
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81 | ... Perforated or serrated: |
This subclass is indented under subclass 78. Subject matter wherein the exposed faces of the nose pads have depressions or grooves, or the pad surfaces are provided with serrations or corrugations to firmly secure the eyeglasses to the nose. | |
82 | ... Fluid-filled or suction type: |
This subclass is indented under subclass 78. Subject matter wherein the nose contacting portion of the pad or bridge includes a tube or sac filled with a liquid or a filler of nonhardening material, or wherein nose pads or bridges have cups or shells to firmly grip the nose by suction. | |
83 | . Continuous rim mounting: |
This subclass is indented under subclass 41. Subject matter wherein undivided continuous metal or plastic
lens surrounding rims are connected by a bridge and are provided
with end pieces and hinges to pivotally connect temples with the
rims.
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84 | .. With rotating means for multifocal lenses: |
This subclass is indented under subclass 83. Subject matter wherein multifocal lenses can be rotated
in the lens rims around an axis perpendicular to the surface of
the lenses so as to bring any desired power sector into the field
of vision.
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85 | .. Upper rim portion slotted: |
This subclass is indented under subclass 83. Subject matter wherein grooved lens holder rims are formed
with slots in their upper portion through which lenses may be inserted
or removed.
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86 | .. With lens retaining or locking means: |
This subclass is indented under subclass 83. Subject matter wherein the rims have lens receiving grooves
provided with means to frictionally engage the peripheral edge of
a lens, or wherein a member projecting from the groove engages
a notch in the lens to prevent inadvertent rotation of the lens.
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87 | .. Nose guards or pads integral with frame: |
This subclass is indented under subclass 83. Subject matter wherein the lens rims are provided with integrally
connected nose guards or pads.
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88 | .. Nose guards or pads removable or adjustable: |
This subclass is indented under subclass 83. Subject matter wherein the nose pads are removably secured
as by clamping action on portions of the rims or where the pads
can be adjusted into any desired horizontal or longitudinal position.
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89 | .. With brace arm temple support: |
This subclass is indented under subclass 83. Subject matter wherein symmetrically arranged brace bar
temple supports follow substantially the upper contour shape of
the lens rims.
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90 | . Split rim mounting: |
This subclass is indented under subclass 41. Subject matter wherein lens holding rims connected by a
bridge are divided or separated at one point on their periphery.
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91 | .. With brow pieces or top arms: |
This subclass is indented under subclass 90. Subject matter wherein divided lens holding rims are provided
with metallic or plastic top arms or brow pieces which may be interchangeably
or permanently connected to the rims.
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92 | ... Screwless lens mounting: |
This subclass is indented under subclass 91. Subject matter wherein the lenses are retained within the
mounting as by spring tension members, resilient clamping
rims, hinged clasps or by hinged frame-portions
acting as enclosures for the lens without the use of rivets, screws
or other more conventional fastening devices, thereby making
the lenses readily removable and interchangeable.
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93 | .. With brace arm supports for temple or lens: |
This subclass is indented under subclass 90. Subject matter wherein brace bars usually resilient are
secured to and extend laterally along or above the top of divided
rims.
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94 | .. With auxiliary bridge: |
This subclass is indented under subclass 90. Subject matter wherein an auxiliary bridge member is detachably
or rigidly attached to the primary bridge.
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95 | .. Expansible and contractible lens rim: |
This subclass is indented under subclass 90. Subject matter wherein the size of the lens receiving opening
of the rims can be expanded or contracted at the split-ends
for properly securing different sizes of lenses in the rims.
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96 | .. Locking member secures lens against rotation: |
This subclass is indented under subclass 90. Subject matter wherein a lens lock positioned between rim
and lens or between the separable members of a split rim-joint
projects into a notch or recess formed in the periphery of the lens.
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97 | .. Split connected by U-clamps or pivot links: |
This subclass is indented under subclass 90. Subject matter wherein the arms projecting from the divided
protions of lens rims are drawn together by embracing U-type
clamps or by pivoting toggle levers.
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98 | .. Split on nasal side of rim (i.e., at bridge): |
This subclass is indented under subclass 90. Subject matter wherein the lens rims are divided adjacent
to the bridge at the nasal side of the rims, the temporal
edges of the split rims being continuous and without the conventional rim
connecting arms or studs.
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99 | .. Clamp and temple pivot screw spaced along rim clamping arm: |
This subclass is indented under subclass 95. Subject matter wherein the divided rims carry aligned end
piece lugs provided with a lens rim clamping-screw and
a temple retaining dowel remove from the clamping screw.
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100 | .. Clamp and temple pivot screw coincident on rim clamping arm: |
This subclass is indented under subclass 90. Subject matter wherein the opposite end of a divided rim
terminate in aligned lugs which are drawn together by a single screw
which tightens the rim around the lens and also affords a pivot
for a temple.
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| |||||
101 | .. Metal clamps embrace the rims and connect to bridge and/or temples: |
This subclass is indented under subclass 90. Subject matter wherein nonmetallic divided lens rims are
connected with the bridge on the nasal side and with temple hinge
parts on the temporal side by short sections of metallic tubing
surrounding the rims.
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102 | .. Combined metal and plastic rims: |
This subclass is indented under subclass 90. Subject matter wherein each lens frame is formed by an inner
metallic rim combined with and covered by an outer nonmetallic rim.
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103 | . Brace arm or semi-rimless mounting: |
This subclass is indented under subclass 41. Subject matter wherein laterally extending and symmetrically
arranged bars extend from the bridge to the temple connection or
where such bars are disposed over the lenses to connect with the
temples to leave a portion of each lens free or rimless.
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104 | .. Arm or rim of plastic or of different material (e.g., metal and plastic): |
This subclass is indented under subclass 103. Subject matter where the brace arms or semirims are made
from nonmetallic material or from plastic material reinforced by
metal embracing the upper contour edges of the lenses, and
secure both the lenses and the temples rigidly to the rim sections.
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105 | .. Detachable brace arm: |
This subclass is indented under subclass 103. Subject matter wherein the mounting is made up as a unit
of detachably interconnected members such as the brace arms, bridge
and/or nose pad supports.
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106 | .. Screwless lens mounting: |
This subclass is indented under subclass 103. Subject matter wherein the lenses are attached to the mounting
as by channel-like straps clamping the nasal edges of the
lenses or by small arms which engage the upper surface of the peripery
of the lenses, but without the use of screws, rivets, or
other fasteners extending through the lens.
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| |||||
107 | .. With adjustable lens or frame part: |
This subclass is indented under subclass 103. Subject matter wherein the brace arms may be readily adjusted
to various positions to conform to the shape of the lenses or wherein
each lens is individually adjustable relative to the brace arm.
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108 | .. Brace arm supports lens at two spaced points or constitutes a partial rim: |
This subclass is indented under subclass 103. Subject matter wherein hinged or fixed lens-straps
or brackets are mounted on the brace arms and secure the lenses
at two spaced points, or where the brace arms have a longitudinally
extending portion bearing against the upper contour of the lenses.
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109 | .. Brace arm extends along edge of lens: |
This subclass is indented under subclass 103. Subject matter wherein relatively long and slender brace
arms extend substantially along the upper contour edges of the lenses
only and terminate in temple connections.
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110 | . Rimless mounting: |
This subclass is indented under subclass 41. Subject matter where the edges of the lens are free of any
structure such as a rim around substantially all the perimeter.
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111 | . Temples: |
This subclass is indented under subclass 41. Subject matter including structure secured to the outer
ends of the lenses or their frames and bearing upon the ears or
sides of the user’s head for maintaining the spectacle
in desired position on the user.
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112 | .. With pocket clip or clasp: |
This subclass is indented under subclass 111. Subject matter wherein a resilient clip or clasp is integral
with or otherwise attached to a temple piece for securing eyeglasses
to an article of wearing apparel.
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113 | .. Spring biased: |
This subclass is indented under subclass 111. Subject matter wherein the temples are biased by springs
or by elastic metal members in addition to the usual temple structure
either to yieldingly resist outward movement of the temple, or
to engage the head of the wearer with yieldable pressure.
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114 | .. Resilient or flexible: |
This subclass is indented under subclass 111. Subject matter wherein the temples are flexible throughout
or are provided with flexible portions to yieldingly engage the
side of the head or the ear of the wearer.
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115 | .. Reversible or axially rotatable: |
This subclass is indented under subclass 111. Subject matter wherein the temple can selectively be used
as a right or left member in connection with the frame, or
wherein the temple may be rotated about its straight portion as
an axis, or wherein the temple may be swung to opposite
sides of the frame.
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116 | .. Detachable: |
This subclass is indented under subclass 111. Subject matter wherein the temple is attached to the remaining spectacle structure for ready attachment or removal therefrom as by a hook or ring, or by a snapping or pressing action as distinct from the usual screw attachment; or wherein the greater part of the temple may be readily attached or removed from the remaining part which is more permanently attached to the other spectacle structure. | |
117 | .. With covered core or rod (e.g., reinforced): |
This subclass is indented under subclass 111. Subject matter wherein the temple is made from plastic or
composition material and is reinforced by a metallic core extending throughout
or through the major part of its length.
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118 | .. Extensible (e.g., with adjustable sleeve member: |
This subclass is indented under subclass 111. Subject matter wherein two telescopically arranged temple
sections are selectively adjustable together with means for holding
the sections in relative longitudinally adjusted positions.
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119 | .. Two-part type (e.g., jointed): |
This subclass is indented under subclass 111. Subject matter wherein the temple is composed of two end
to end interengaging parts securely held against disconnection.
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120 | .. Inclined to lens plane: |
This subclass is indented under subclass 111. Subject matter wherein the temples are inclined with respect
to the plane of the lenses, thereby positioning the lens
frame or the lenses at an obtuse angle to the temples when rearwardly extended.
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121 | .. With connector: |
This subclass is indented under subclass 111. Subject matter wherein the temple includes a connection
such as a hinge which connects the temple to the lens or frame.
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122 | .. With skin protecting earpiece covering: |
This subclass is indented under subclass 111. Subject matter wherein the earpiece of the temple is covered
with nonmetallic material to prevent irritating the skin of a wearer.
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123 | .. With head or ear engaging attachments: |
This subclass is indented under subclass 111. Subject matter wherein the temples are provided with slidable
or fixed attachments which contact the wearer’s head or
ear to hold the spectacles firmly in place.
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124 | . Bridges: |
This subclass is indented under subclass 41. Subject matter limited to structure which interconnects
the rimmed or rimless lenses of spectacles and extends across the
nose of a user.
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125 | .. Crossbar type: |
This subclass is indented under subclass 124. Subject matter wherein the bridge is in the shape of a cross
bar generally extending from the upper edge of one lens holding
means to the upper edge of the other.
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126 | .. Flexible: |
This subclass is indented under subclass 124. Subject matter wherein the bridge joining the lens holding
members is made from resilient metal or includes flexible portions.
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127 | ... Ball or chain type: |
This subclass is indented under subclass 126. Subject matter wherein the bridge connecting the lens holding
rims is formed of a plurality of flexible hollow ball or link-chain
members.
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128 | .. Adjustable: |
This subclass is indented under subclass 124. Subject matter wherein the bridge is adjustable as to pupillary
distance between the lenses, and/or to the facial
characteristics of the wearer.
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129 | .. Reinforced: |
This subclass is indented under subclass 124. Subject matter wherein the bridge has a reinforcing metal
core embedded inside, or disposed on the inner or outer
face of the bridge.
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130 | .. With auxiliary support: |
This subclass is indented under subclass 124. Subject matter wherein the usual bridge is supplemented
by an auxiliary universally adaptable nose engaging attachment.
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131 | .. With nose grip or guard integral with bridge: |
This subclass is indented under subclass 124. Subject matter wherein the bridge is integrally connected
with a nose grip or guard.
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132 | .. With nose grip, nose guard, pad, or cushion: |
This subclass is indented under subclass 124. Subject matter including significant nose grip, nose
guard, pad or cushion structure with a bridge or wherein
a significant relationship exists between this structure and the
bridge.
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133 | .. With connectors or straps: |
This subclass is indented under subclass 124. Subject matter wherein the bridge has lens or lens-rim
supporting means laterally extending from the ends of the bridge.
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134 | ... Unitary bridge and straps: |
This subclass is indented under subclass 133. Subject matter wherein the bridge and lens straps are made of an integral piece of metal, or wherein the ends of the bridge and the lens straps are soldered or welded together. | |
135 | ... With lens clamping straps: |
This subclass is indented under subclass 133. Subject matter wherein the bridge has lens clamping members
which usually secure the lenses without screw fasteners and lens
perforations.
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136 | . Nose pads or cushions: |
This subclass is indented under subclass 41. Subject matter including pads or cushions which rest against
the nose of the wearer and thereby prevent contact between the pad-supports
and the nose.
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| |||||||
137 | .. Adjustable, rockable, or pivotable: |
This subclass is indented under subclass 136. Subject matter wherein the nose pads or cushions are movably
mounted to have proper play or rocking movement.
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138 | .. Detachable: |
This subclass is indented under subclass 136. Subject matter wherein the nose pad may be readily attached
or detached from its support.
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139 | .. With cover or coating: |
This subclass is indented under subclass 136. Subject matter wherein the nose pads and/or its support
has a covering tightly adherent thereto or a coating, which
may be relatively noncorrosive.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
140 | . Connectors: |
This subclass is indented under subclass 41. Subject matter for joining parts of spectacles or eyeglasses
together such as the bridge to the lens or rim, the nosepiece
to the rim or lens, or the temple to the rim or lens.
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141 | .. With screw locking means: |
This subclass is indented under subclass 140. Subject matter wherein screw or bolt-locking means
are provided to prevent loosening of the connecting screw or bolt.
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142 | .. Strap type: |
This subclass is indented under subclass 140. Subject matter wherein the lens securing device comprised
a strap with spaced ears or arms for engaging the lens therebetween.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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143 | ... With particular bracing bar or stud: |
This subclass is indented under subclass 142. Subject matter in which the straps are equipped with reinforcing
braces, supplemental lens gripping ears or rigid pins to
securely embrace or clamp the lens.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
144 | ... With cementing or fusing: |
This subclass is indented under subclass 142. Subject matter wherein the strap and the lens are securely
locked in assembled relation by the application of cement, solder
or any other suitable bonding material between lens and strap-members.
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| |||||||
145 | ... With cushion around lens screw or bolt: |
This subclass is indented under subclass 142. Subject matter wherein resilient cushioning material is
provided between the strap members and the lens and around the connecting screw
or bolt.
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146 | .... Sleeve or bushing: |
This subclass is indented under subclass 145. Subject matter wherein the cushioning material constitutes
a preformed bushing or sleeve which is pressed into the fastening
hole of a lens or into the screw holes in the strap arms to prevent
any play between the mounting and the lens.
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147 | ... With serrated interengaging parts: |
This subclass is indented under subclass 142. Subject matter wherein strap arms and screw heads are provided with serrations for interlocking engagement to prevent loosening of the interlocked members. | |
148 | ... Adjusting: |
This subclass is indented under subclass 142. Subject matter wherein the lens strap connectors are adjustable
to permit changing the position of the lens vertically or horizontally
with reference to the eye, or to permit insertion of lenses
of different shape or dimensions.
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149 | ... With interengaging projection and recess: |
This subclass is indented under subclass 142. Subject matter including a stud or projection on the strap
or lens engaging in a slot recess or indentation in the other.
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150 | ... With resilient parts (e.g., resilient strap arms): |
This subclass is indented under subclass 142. Subject matter including clamps or brackets for yieldably
attaching lenses to ophthalmic mountings.
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151 | .... Spring between lens and strap: |
This subclass is indented under subclass 150. Subject matter wherein resilient metal elements, such
as leaf springs, are interposed between the strap member
and the adjacent edge of the lens to maintain the connection between
the lens and the strap flexibly but firmly in proper relation.
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152 | ... With clamping arms: |
This subclass is indented under subclass 142. Subject matter wherein strap-type lens connectors
comprise metal clamps for gripping the surface of a rimless lens
without employment of the usual fastening screw.
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153 | .. With particular hinge: |
This subclass is indented under subclass 140. Subject matter wherein significant hinge details or relationships
are claimed, such as the connector between a plastic temple
and eyeglass rim comprising a metallic hinge member anchored in
a slot or groove of the temple and/or the rim.
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154 | . Lens linings or rims: |
This subclass is indented under subclass 41. Subject matter including linings for interposition between
the edge of a lens and the rim of a frame or for application around
lenses in rimless spectacles or eyeglasses; also included here
are rims placed around the periphery of lenses to position the axes
of cylindrical or prismatic lenses properly.
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155 | . With support or holder (e.g., on hat or cap): |
This subclass is indented under subclass 41. Subject matter including structure in addition to the spectacle
or eyeglass structure for supporting the spectacles or eyeglasses
during use, or out of vision position.
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156 | .. With head embracing bow or chain: |
This subclass is indented under subclass 155. Subject matter wherein spectacles are without the usual
temples but comprise a strap or chain which embraces the head of
a wearer to support and retain the glasses without irritating the nose
or ears.
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157 | .. Neck retainers: |
This subclass is indented under subclass 155. Subject matter wherein spectacles have a holder or band
usually connected to the temples and encircling the head or neck
of a wearer to retain and support the spectacles when removed from
their operative position.
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158 | . Combined: |
This subclass is indented under subclass 41. Subject matter wherein the spectacles or eyeglasses are
combined with additional structure, which may or may not
be optical, and not provided for elsewhere.
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159.01 | . Ophthalmic lenses: |
This subclass is indented under subclass 41. Subject matter wherein the lens has a surface so
curved as to correct, modify or enhance the vision of an
eye by placing the lens in front of or on the eye.
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159.02 | .. Eye contact: |
This subclass is indented under 159.01. Subject matter wherein the lens is particularly adapted
to be placed directly in contact with, usually on, the
cornea of the eye.
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159.03 | ... Electro-active: |
This subclass is indented under subclass 159.02. Subject matter wherein the eye contact ophthalmic lens is
composed of a material which, when activated by an applied
electric potential, produces an index of refraction that is
variable in response to the applied electrical potential.
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| |||
159.04 | ... With fluid exchange means: |
This subclass is indented under subclass 159.02. Subject matter wherein the eye contacting lens provides
for or facilitates the transfer of a gas or liquid between the lens
surface and the eye.
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159.05 | ... Multifocal: |
This subclass is indented under subclass 159.02. Subject matter wherein the contact lens has two or more
zones of different focal lengths for vision correction.
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159.06 | .... Progressive: |
This subclass is indented under subclass 159.05. Subject matter wherein the zones of the multifocal contact
lens vary gradually in dioptic power.
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159.07 | .... Astigmatic correction: |
This subclass is indented under subclass 159.05. Subject matter wherein the multifocal eye contact lens compensates
for astigmatism*.
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| |||||
159.08 | .... Lens pairs having differing profile: |
This subclass is indented under subclass 159.05. Subject matter having a multifocal contact lens pair wherein each lens has a different zonal configuration. | |
159.09 | .... Ghost image or blur reduction: |
This subclass is indented under subclass 159.05. Subject matter wherein the eye contacting ophthalmic lens
minimizes false images, faint secondary images or out of
focus images.
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159.1 | .... Specific viewing zones: |
This subclass is indented under subclass 159.05. Subject matter wherein the two or more zones are spatially distinct and defined. | |
159.11 | ..... Having diffractive portion: |
This subclass is indented under subclass 159.1. Subject matter wherein a specific viewing area of
the eye contacting multifocal lens causes a light beam to split
and interfere with itself.
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159.12 | ..... Annular zones: |
This subclass is indented under subclass 159.1. Subject matter wherein specific viewing zones of the eye contacting multifocal ophthalmic lens are arranged in distinct circular areas positioned about an axis, i.e., in concentric rings. | |
159.13 | ...... Aspheric zone: |
This subclass is indented under subclass 159.12. Subject matter wherein a specific viewing zone of the eye
contacting multifocal lens has a slightly less than spheric shape.
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159.14 | ..... Segmented zones: |
This subclass is indented under subclass 159.1. Subject matter wherein the specific viewing zones of the eye-contacting multifocal lens are arranged in distinct areas converging to an axis. | |
159.15 | .... Having a diffractive portion: |
This subclass is indented under subclass 159.05. Subject matter wherein the multifocal eye-contacting
lens causes a light beam to split and interfere with itself.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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159.16 | .... With off-axis viewing zone: |
This subclass is indented under subclass 159.05. Subject matter wherein the eye-contacting multifocal lens has a nonsymmetrical viewing area with respect to the optical axis of the lens. | |
159.17 | .... Prismatic: |
This subclass is indented under subclass 159.05. Subject matter wherein the multifocal eye-contacting
ophthalmic lens is formed with a wedge or tapered cross-section
to deflect incident light from the object to the eye.
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159.18 | .... Having means to regulate pressure: |
This subclass is indented under subclass 159.05. Subject matter wherein the multifocal eye-contacting ophthalmic lens includes means to apply or relieve force caused by eye fluid. | |
159.19 | .... Having a means to limit or facilitate movement: |
This subclass is indented under subclass 159.05. Subject matter wherein the multifocal eye-contacting
ophthalmic lens includes means which aids or provides for the stabilization
or movement of the lens with respect to the eye.
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| |||
159.2 | .... Aspherical: |
This subclass is indented under subclass 159.05. Subject matter wherein the multifocal eye-contacting
ophthalmic lens has a slightly less than spheric shape.
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159.21 | ..... Toric: |
This subclass is indented under subclass 159.2. Subject matter wherein the aspheric multifocal eye-contacting
ophthalmic lens has a maximum optical power in one meridian and
a minimum optical power in a perpendicular meridian.
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| |||||||
159.22 | ... Astigmatic correction: |
This subclass is indented under subclass 159.02. Subject matter wherein the eye-contacting ophthalmic lens compensates for astigmatism*. | |
159.23 | ... Orthokeratology contact lens: |
This subclass is indented under subclass 159.02. Subject matter wherein the eye-contacting ophthalmic
lens is a rigid contact lens specifically designed to improve vision through
the reshaping of the wearer’s cornea.
| |||
159.24 | ... Colored: |
This subclass is indented under subclass 159.02. Subject matter wherein the eye-contacting ophthalmic
lens comprises, in whole or in part, a hue or
tint.
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159.25 | .... Digitally encoded: |
This subclass is indented under subclass 159.24. Subject matter wherein the tint is applied to the eye-contacting ophthalmic lens via a pixel by pixel process. | |
159.26 | .... Having a diffractive portion: |
This subclass is indented under subclass 159.24. Subject matter wherein the colored eye-contacting
ophthalmic lens includes an area that causes a light beam to split
and interfere with itself.
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159.27 | .... With polarization: |
This subclass is indented under subclass 159.24. Subject matter wherein the colored eye-contacting
ophthalmic lens restricts vibrations of the magnetic or electric
field vector to a single plane of the incident light.
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159.28 | .... With indicia: |
This subclass is indented under subclass 159.24. Subject matter wherein the colored eye-contacting
ophthalmic lens further includes distinguishing markings (i.e., letters, numbers, symbols, etc.) on
the lens.
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159.29 | .... Protective color: |
This subclass is indented under subclass 159.24. Subject matter wherein the color for a colored eye-contacting ophthalmic lens is provided to safeguard the eye of the user from harmful light energy. | |
159.3 | .... Multiple colors: |
This subclass is indented under subclass 159.24. Subject matter wherein the colored eye-contacting ophthalmic lens comprises two or more hues or tints. | |
159.31 | .... Graded density distribution: |
This subclass is indented under subclass 159.24. Subject matter wherein the color intensity of the colored eye-contacting ophthalmic lens is applied in a non-random manner. | |
159.32 | .... Particular color: |
This subclass is indented under subclass 159.24. Subject matter wherein the colored eye-contacting ophthalmic lens comprises a specific hue or tint. | |
159.33 | ... Hydrophilic: |
This subclass is indented under subclass 159.02. Subject matter wherein the ophthalmic lens is made of a material that has an affinity for water. | |
159.34 | ... Fluid lens: |
This subclass is indented under subclass 159.02. Subject matter wherein the refractive material in an eye-contacting
ophthalmic lens, is a transparent or translucent liquid
or gas.
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159.35 | ... Having a diffractive portion: |
This subclass is indented under subclass 159.02. Subject matter wherein the eye-contacting ophthalmic
lens causes a light beam to split and interfere with itself.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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| |||||||
159.36 | ... Having a means to limit or facilitate movement: |
This subclass is indented under subclass 159.02. Subject matter wherein the eye-contacting ophthalmic
lens comprises a means which aids or provides for the stabilization
of movement of the lens with respect to the eye.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
159.37 | ... Aspherical: |
This subclass is indented under subclass 159.02. Subject matter wherein the eye-contacting ophthalmic
lens has a slightly less than spheric shape.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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159.38 | .... Toric: |
This subclass is indented under subclass 159.37. Subject matter wherein the aspheric eye-contacting
ophthalmic lens has a maximum optical power in one meridian and
a minimum optical power in a perpendicular meridian.
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| |||||||
159.39 | .. Electro-active: |
This subclass is indented under subclass 159.01. Subject matter wherein the ophthalmic lens is composed
of a material which, when activated by an applied electric
potential, produces an index of refraction that is variable in
response to the applied electrical potential.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
159.4 | ... Multifocal: |
This subclass is indented under subclass 159.39. Subject matter wherein the electro-active ophthalmic
lens has two or more zones of different focal lengths for vision
correction.
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159.41 | .. Multifocal: |
This subclass is indented under subclass 159.01. Subject matter wherein the ophthalmic lens has two or more
zones of different focal lengths for vision correction.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
159.42 | ... Progressive: |
This subclass is indented under subclass 159.41. Subject matter wherein the zones of differing focal lengths of the multifocal ophthalmic lens vary gradually in dioptic power. | |
159.43 | ... Three or more foci: |
This subclass is indented under subclass 159.41. Subject matter wherein the multifocal ophthalmic lens has
at least three zones of different focal lengths for vision correction.
| |||
159.44 | ... Having a diffractive portion: |
This subclass is indented under subclass 159.41. Subject matter wherein the multifocal ophthalmic lens causes
a light beam to split and interfere with itself.
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159.45 | ... With prismatic segment: |
This subclass is indented under subclass 159.41. Subject matter wherein the ophthalmic lens is formed with
a wedge or tapered cross-section to deflect incident light.
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159.46 | ... Astigmatic correction: |
This subclass is indented under subclass 159.41. Subject matter wherein the multifocal ophthalmic lens compensates
for astigmatism*.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
159.47 | ... Aspherical: |
This subclass is indented under subclass 159.41. Subject matter wherein the multifocal ophthalmic lens has
a slightly less than spheric shape.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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159.48 | ... Multiple elements: |
This subclass is indented under subclass 159.41. Subject matter wherein multiple lens elements of different
refractive indices have their adjacent surfaces joined together
to provide a unitary multifocal lens that has, for example, a
long vision and a reading section.
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159.49 | ... With light filtering means: |
This subclass is indented under subclass 159.41. Subject matter wherein the ophthalmic multifocal lens has
the property of absorbing, blocking or reflecting selected electromagnetic
radiation.
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159.5 | .. Image size (anisekonia) correction: |
This subclass is indented under subclass 159.01. Subject matter wherein at least one surface of the ophthalmic
lens is shaped to provide a prescribed magnification without refractive
power.
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159.51 | .. Lens for aphakic eye: |
This subclass is indented under subclass 159.01. Subject matter wherein the ophthalmic lens is specially adapted for an eye lacking the crystalline lens due to surgical removal, perforating wound or ulcer, or congenital anomaly. | |
159.52 | .. Focus or astigmatism correction: |
This subclass is indented under subclass 159.01. Subject matter wherein the ophthalmic lens has at least one lens surface having a spherical curvature providing dioptics or lens powers for correction of focal errors of the eye or wherein one lens curvature may be in cylindrical or toric form to compensate for astigmatic errors of the eye. | |
159.53 | ... Aspherical lens: |
This subclass is indented under subclass 159.52. Subject matter wherein the ophthalmic lens for focal or
astigmatism correction has a slightly less than spheric shape.
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159.54 | .... Toric: |
This subclass is indented under subclass 159.53. Subject matter wherein the aspheric lens has a maximum optical
power in one meridian and a minimum optical power in a perpendicular
meridian.
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159.55 | .. Ghosting: |
This subclass is indented under subclass 159.01. Subject matter wherein the ophthalmic lens minimizes false
images, faint secondary images and out of focus images.
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159.56 | .. With polarization: |
This subclass is indented under subclass 159.39. Subject matter wherein the light filtering ophthalmic lens, in
whole or in part, restricts vibrations of the magnetic
or electric field vector to a single plane of the incident light.
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159.57 | .. With lens protective layer: |
This subclass is indented under subclass 159.01. Subject matter wherein the ophthalmic lens comprises a covering for shielding the lens from physical damage (e.g., scratching, corrosion, breaking, etc.). | |
159.58 | .. Prismatic: |
This subclass is indented under subclass 159.01. Subject matter wherein the ophthalmic lens is formed with
a wedge or tapered cross section to deflect incident light from
the object to the eye.
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159.59 | ... With light filtering means: |
This subclass is indented under subclass 159.58. Subject matter wherein the prismatic ophthalmic lens has the property of absorbing, blocking or reflecting selected electromagnetic radiation. | |
159.6 | .. With light filtering means: |
This subclass is indented under subclass 159.01. Subject matter wherein the ophthalmic lens has the property
of absorbing, blocking or reflecting selected electromagnetic radiation.
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SEE OR SEARCH CLASS:
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159.61 | ... Photochromatic: |
This subclass is indented under subclass 159.6. Subject matter wherein the light filtering ophthalmic lens transmits light in reverse proportion to the intensity of the input light ray. | |
159.62 | ... Laminated structure: |
This subclass is indented under subclass 159.6. Subject matter wherein the light filtering ophthalmic lens is constructed in a layered configuration. | |
159.63 | ... With different light absorption sections: |
This subclass is indented under subclass 159.6. Subject matter wherein the ophthalmic lens has vision areas or zones that permit passage of light having a specified wavelength while blocking, without reflectance or transmittance, all other incident light. | |
159.64 | .... Gradient sections: |
This subclass is indented under subclass 159.63. Subject matter wherein the light absorbing sections of the ophthalmic lens have a transmittance intensity profile that is non-uniform and non-random. | |
159.65 | ... Specific light filtering range: |
This subclass is indented under subclass 159.6. Subject matter wherein the light filtering ophthalmic lens filters or blocks a specified wavelength range within the electromagnetic spectrum. | |
159.66 | .. Having color: |
This subclass is indented under subclass 159.01. Subject matter wherein the ophthalmic lens comprises, in whole or in part, a hue or tint. | |
159.67 | .. With beveled, polished or reinforced edges: |
This subclass is indented under subclass 159.01. Subject matter wherein the edge of the ophthalmic lens has been modified as a result of a cutting or grinding process or an addition made to render the periphery smooth or stronger. | |
159.68 | .. Fluid lens: |
This subclass is indented under subclass 159.01. Subject matter wherein the ophthalmic lens has at least
one component or one element which uses a transparent liquid or
gas as a refractive material.
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159.69 | .. With indicia or marking: |
This subclass is indented under subclass 159.01. Subject matter wherein the ophthalmic lens further comprises
distinguishing markings (i.e., letters, symbols, etc.) on
the lens.
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159.7 | .. Multiple elements: |
This subclass is indented under subclass 159.01. Subject matter wherein the ophthalmic lens is composed of two or more optical elements. | |
159.71 | .. Aspherical: |
This subclass is indented under subclass 159.01. Subject matter wherein the ophthalmic lens has at least
one surface or region that is slightly less than spheric in shape.
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159.72 | ... Toric: |
This subclass is indented under subclass 159.71. Subject matter wherein the aspheric ophthalmic lens has
a maximum optical power in one meridian and a minimum optical power in
a perpendicular meridian.
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159.73 | .. Methods: |
This subclass is indented under subclass 159.01. Subject matter including a process of making ophthalmic
lenses not elsewhere classifiable.
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159.74 | ... Lens design: |
This subclass is indented under subclass 159.73. Subject matter comprising a method for the development of
a plan providing physical parameters for producing an ophthalmic lens.
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159.75 | .... Eyeglasses or spectacles: |
This subclass is indented under subclass 159.74. Subject matter wherein the method for designing a lens is
for a lens having structure for positioning or supporting the lens
from or on the head of the wearer in a correct operative position.
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159.76 | ..... Optimization: |
This subclass is indented under subclass 159.75. Subject matter wherein the method functions to maximize the efficiency of an eyeglass or spectacle lens’s physical parameter. | |
159.77 | .... Optimization: |
This subclass is indented under subclass 159.74. Subject matter wherein the method functions to maximize the efficiency of an ophthalmic lens’s physical parameter. | |
159.78 | ... Eye treatment correcting or relieving (without medication): |
This subclass is indented under subclass 159.73. Subject matter wherein the method provides a physical application
to the eye to correct an ailment or to offer comfort.
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159.79 | .... Myopia: |
This subclass is indented under subclass 159.78. Subject matter wherein the eye treatment method provides for treatment of a visual defect wherein images are focused in front of the eye’s retina. | |
159.8 | ... Lens marking: |
This subclass is indented under subclass 159.73. Subject matter wherein the method is for providing indicia
on the ophthalmic lens.
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159.81 | ... Creating visual effects: |
This subclass is indented under subclass 159.73. Subject matter wherein the method provides the ophthalmic lens wearer with an artificially ophthalmological anomaly. | |
178 | . Methods (e.g., securing lenses in mountings): |
This subclass is indented under subclass 41. Subject matter including processes of making spectacles
and eyeglasses, securing an eyeglass lens to its support, or
of assembling lenses in spectacle frames.
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FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
This subclass has no definition. | |
This subclass has no definition. | |
FOR 100 | . Ophthalmic lenses or blanks (351/159): |
This foreign art collection is indented under the
class definition. Foreign art collection wherein subject
matter is limited to lenses with specific optical characteristics
for use in spectacles or eyeglasses, said lenses having
surfaces of spherical, cylindrical or toric curvatures
for aiding vision or for correcting focal errors of the eye.
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FOR 101 | .. Eye contact type (351/160 R): |
This foreign art collection is indented under FOR
100. Foreign art collection wherein the lenses are peculiarly
adapted to be placed directly in contact with the eyeball and to move
with the eyeball.
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FOR 102 | ... Multifocal (351/161): |
This foreign art collection is indented under FOR 101. Foreign art collection wherein the contact lens comprises two zones of different focal length, one zone to correct the distance vision and another zone to correct the reading vision. | |
FOR 103 | ... Colored (351/162): |
This foreign art collection is indented under FOR 101. Foreign art collection wherein the contact lens, or a portion thereof is colored to absorb part of the visible spectrum or to change the color of the iris in the eye. | |
FOR 104 | ... Hydrophilic (351/160 H): |
This foreign art collection is indented under FOR 101. This foreign art collection was derived from an undefined alpha subclass. Consult the documents contained herein to clarify or interpret the title and scope of this foreign art collection. | |
FOR 105 | .. With light filtering means (351/163): |
This foreign art collection is indented under FOR
101. Foreign art collection wherein the lenses have the
property of absorption of rays in portions of the visible or invisible spectrum, or
are combined with additional structure having this property.
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FOR 106 | ... Multifocal (351/164): |
This foreign art collection is indented under FOR 105. Foreign art collection wherein multifocal lenses absorb certain portions of rays in the visible or invisible spectrum, or are combined with additional structure having such an absorption property. | |
FOR 107 | ... With sections of different light absorption (351/165): |
This foreign art collection is indented under FOR 105. Foreign art collection wherein the lenses have vision areas of different light abosorptive qualities which may differ in density and/or in frequency (e.g., clear or slightly tinted central glass portions and deeply colored surrounding areas). | |
FOR 108 | .. With lens protective layers (351/166): |
This foreign art collection is indented under FOR 100. Foreign art collection wherein one or both surfaces of a lens are covered with a layer or layers and impact resisting, transparent and hardened material; or wherein the lens comprises a pair of glass elements and an intermediate resilient reinforcing adhesive securing these elements together. | |
FOR 109 | .. Cataract correction type (351/167): |
This foreign art collection is indented under FOR
100. Foreign art collection wherein the lens is specially
adapted to use after the operation for cataract and corrects by
being very powerful.
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FOR 110 | .. Multifocal (351/168): |
This foreign art collection is indented under FOR
100. Foreign art collection wherein the ophthalmic lens
has at least two vision fields of different focal strength.
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FOR 111 | ... Gradually varying focal power (351/169): |
This foreign art collection is indented under FOR
110. Foreign art collection wherein the multifocal lens
has areas gradually changing in dioptric power.
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FOR 112 | ... With prismatic segment (351/170): |
This foreign art collection is indented under FOR
110. Foreign art collection wherein one of the multifocal
lens elements has a specific prismatic correction whose prism base
is located relative to the optical center of the distance and/or
intermediate vision lens sections to give the desired correction.
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FOR 113 | ... Three or more foci (351/171): |
This foreign art collection is indented under
FOR 110. Foreign art collection wherein multifocal lenses
have portions of three or more focal powers respectively, for
example, for near, intermediate and far vision.
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FOR 114 | ... Multiple elements (351/172): |
This foreign art collection is indented under FOR
110. Foreign art collection wherein multiple lens elements
of different refractive indices have their adjacent surfaces joined together
to provide a unitary multifocal lens that has, for example, a
long vision and a reading section.
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FOR 115 | .. Image size (aniseikonia) correction (351/173): |
This foreign art collection is indented under FOR
100. Foreign art collection wherein one surface of a lens
is shaped so as to give a prescribed image-size correction (magnification) without
refractive power.
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FOR 116 | .. With beveled, polished or reinforced edges (351/174): |
This foreign art collection is indented under FOR
100. Foreign art collection wherein the edge of the lens
is polished, beveled or otherwise modified for protecting
or reinforcing the lens for example.
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FOR 117 | .. Prismatic type (351/175): |
This foreign art collection is indented under FOR 100. Foreign art collection wherein the lens is formed with a wedge or tapered cross section to deflect, for example, the light path from the object to the eye, or to correct strabismus or eye deviation. | |
FOR 118 | .. Focus and/or astigmatism correction (351/176): |
This foreign art collection is indented under FOR 100. Foreign art collection wherein one of the lens surfaces has a spherical curvature providing dioptrics or lens powers for correction of focal errors of the eye and/or wherein one lens curvature may be in cylindrical or toric form to compensate for astigmatic errors of the eye. | |
FOR 119 | .. Methods (351/177): |
This foreign art collection is indented under FOR
100. Foreign art collection including processes of making
ophthalmic lenses as there defined and not otherwise classifiable.
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