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Outline
Indent Level
Color Curly Brackets (indicating CPC extensions to IPC)

CPC
COOPERATIVE PATENT CLASSIFICATION
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SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES (trial frames for testing the eyes A61B 3/04; goggles or eyeshields not having the same features as spectacles A61F 9/00)
NOTE
-
This subclass also covers monocles, pince-nez or lorgnettes.

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Assemblies of lenses with bridges or browbars
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.
Bridge or browbar secured to lenses without the use of rims
. .
{
with lenses secured to the fixing parts by clamping, luting, soldering, gluing without holes or recesses in the lenses (G02C 1/04 to G02C 1/08 take precedence)
}
. .
{
with auxiliary bars (G02C 1/04 to G02C 1/08 take precedence)
}
.
Bridge or browbar secured to or integral with partial rims, e.g. with partially-flexible rim for holding lens
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.
Bridge or browbar secured to or integral with closed rigid rims for the lenses
. .
the rims being tranversely split and provided with securing means
.
{
Special mounting grooves in the rim or on the lens
}
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Special supporting arrangements for lens assemblies or monocles (lenses therefor G02C 7/00; by walking-sticks A45B 3/00)
.
{
Arrangements for fitting and securing to the head in the position of use
}
.
{
Arrangements for fitting and securing to the head or neck not in the position of use
}
.
Arrangements for supporting by headgear
.
Arrangements for supporting by hand, e.g. lorgnette, Arrangements for supporting by articles (by walking-sticks A45B 3/00)
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Construction of non-optical parts
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.
{
specially adapted for particular purposes, not otherwise provided for or not fully classifiable according to technical characteristics, e.g. therapeutic glasses
}
. .
{
Shooting or aiming glasses
}
. .
{
Glasses allowing access to one eye, e.g. for make-up application
}
.
{
Collapsible frames
}
.
{
Spectacles frames characterized by their material, material structure and material properties
}
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.
Bridges; Browbars; Intermediate bars (nose engaging-surfaces G02C 5/12)
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G02C 5/04
. .
with adjustable means
G02C 5/045
. . .
{
for varying the horizontal distance of the lenses
}
G02C 5/06
. .
with resilient means
. .
foldable
. .
Intermediate bars or bars between bridge and side-members
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.
Nose pads; Nose-engaging surfaces of bridges or rims
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. .
{
with adjustable means
}
. . .
{
for vertically varying the position of the lenses
}
. .
{
exchangeable or otherwise fitted to the shape of the nose
}
. .
{
Pince-nez
}
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.
Side-members
. .
{
having special ear pieces
}
. .
{
having special front end
}
. .
resilient or with resilient parts
. .
reinforced
. .
adjustable, e.g. telescopic
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.
Hinges (pivotal connection in general F16C 11/00)
. .
{
Pivot bearings and hinge bolts other than screws
}
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. .
{
Resilient hinges
}
. . .
{
comprising a fixed hinge member and a coil spring
}
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. . .
{
comprising a sliding hinge member and a coil spring
}
. . . .
{
comprising a sliding box containing a spring
}
. . .
{
comprising elastic means other than coil spring
}
. .
{
Composite hinges, e.g. for varying the inclination of the lenses
}
. .
{
Hinges without well-defined pivot axis
}
. .
{
Special hinge screws
}
. .
{
Oblique hinge axis
}
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Optical parts (characterised by the material G02B 1/00)
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.
Lenses; Lens systems;
{
Methods of designing lenses
}
. .
{
with pattern for identification or with cosmetic or therapeutic effects (methods and processes take preference, e.g. printing, marking or copying processes B41M; identification in general G09F 3/00; producing decorative effects in general B44C; surface treatment of glass C03C 15/00 to C03C 23/00; positioning or marking of lenses B24B 13/0055)
}
. .
{
Ophthalmic lenses having special refractive features achieved by special materials or material structures (G02C 7/049 takes precedence)
}
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. .
{
Methods of designing ophthalmic lenses
}
. . .
{
considering parameters of the viewed object
}
. . .
{
considering wearer's parameters
}
. . .
{
Special mathematical design techniques
}
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. .
Contact lenses for the eyes (disinfection or sterilisation of contact lenses A61L 12/00)
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. . .
{
bifocal; multifocal
}
. . . .
{
Simultaneous type
}
. . . .
{
Translating type
}
. . . .
{
Annular configuration, e.g. pupil tuned
}
. . . .
{
Sectorial configuration
}
. . .
{
Contact lenses having an iris pattern
}
. . .
{
Contact lens fitting; Contact lenses for orthokeratology; Contact lenses for specially shaped corneae
}
. . .
{
Means for stabilising the orientation of lenses in the eye
}
. . .
{
Contact lenses having special fitting or structural features achieved by special materials or material structures
}
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. .
bifocal; multifocal;
{
progressive (G02C 7/041 takes precedence)
}
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. . .
{
Spectacle lenses with progressively varying focal power
}
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. . . .
{
Shape of the progressive surface
}
. . . . .
{
Properties on the principal line
}
. . . . .
{
Shape, location or size of the viewing zones
}
. . . .
{
Special properties achieved by the combination of the front and back surfaces
}
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. .
Auxiliary lenses; Arrangements for varying focal length
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. . .
{
Ophthalmic lenses with variable focal length
}
. . . .
{
Electrooptic lenses
}
. . . .
{
Fluid-filled lenses, e.g. electro-wetting lenses
}
. . .
{
Auxiliary lenses located directly on a main spectacle lens or in the immediate vicinity of main spectacles
}
. . .
{
Lens systems mounted to spectacles
}
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Filter, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
. .
{
having an electro-optical light valve (electro-optical elements per se G02F)
}
. .
{
Photochromic filters
}
. .
{
having spectral characteristics for purposes other than sun-protection
}
. .
{
having inhomogeneously distributed colouring
}
. .
{
Interference colour filters
}
. .
{
Colouring materials
}
.
Polarisers
.
Mirrors; Prisms
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.
Shades; shields; Obturators, e.g. with pinhole, with slot
{
(G02C 5/003 takes precedence)
}
. .
{
with stenopaeic apertures
}
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Attaching auxiliary optical parts (auxiliary optical parts per se G02C 7/08 to G02C 7/16)
G02C 9/02
.
by hinging
G02C 9/04
.
by fitting over or clamping on
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Non-optical adjuncts; Attachment thereof (G02C 7/16 takes precedence)
.
Ornaments, e.g. exchangeable
.
Illuminating means
.
Hearing aids (construction of hearing aids H04R 25/00)
.
Anti-misting means, e.g. ventilating, heating (H05B 3/84 takes precedence); Wipers
.
{
Electronic devices other than hearing aids
}
.
{
Side shields for protection of the eyes
}
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Assembling (producing spectacle frames from plastics or from substances in a plastic state B29D 12/02); Repairing; Cleaning (disinfection or sterilisation of contact lenses A61L 12/00)
.
{
Assembling; Repairing
}
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.
{
Measuring during assembly or fitting of spectacles
}
. .
{
Measuring geometric parameters required to locate ophtalmic lenses in spectacles frames (apparatus for testing or instruments for examining the eyes per se A61B 3/00; machines or devices and accessories for grinding the edges of lenses using spectacles as a template B24B 9/144)
}
G02C 13/006
.
{
Devices specially adapted for cleaning spectacles frame or lenses
}
G02C 13/008
.
{
Devices specially adapted for cleaning contact lenses
}
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Generic mechanical aspects applicable to one or more of the groups G02C 1/00 to G02C 5/00 and G02C 9/00 to G02C 13/00 and their subgroups
.
Magnetic means
.
Junctions between frame elements having a click function
.
Locking elements
.
Modular frames, easily exchangeable frame parts and lenses
.
Frame or frame portions made from wire
.
Frame or frame portions made from sheet type material
.
Laminated frame or frame portions
.
Frame or frame portions made from rubber
.
Adjustment ridges or notches
.
Friction elements
.
Leaf spring
.
Coil spring pulled upon actuation
.
Coil spring pushed upon actuation
.
Coil spring twisted upon actuation
.
Piston
.
Oblong hole
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Generic optical aspects applicable to one or more of the subgroups of G02C 7/00
.
Mislocation tolerant lenses or lens systems
.
Lenses comprising decentered structures
.
Special ophthalmologic or optometric aspects
.
Series of lenses, lens blanks
.
Optical elements and systems for visual disorders other than refractive errors, low vision
.
Locally varying refractive index, gradient index lenses
.
Photorefractive lens material
.
Laminated or compound lenses
.
Cellular lens surfaces
.
Diffractive and Fresnel lenses or lens portions
.
Correction of higher order and chromatic aberrations, wave front measurement and calculation
.
Myopia progression prevention
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013