|  | G |
SECTION G — PHYSICS

INSTRUMENTS

|  | G02 |
OPTICS (making optical elements or apparatus Fulltext... Hierarchy... Expanded...B24B, Fulltext... Hierarchy... Expanded...B29D, Fulltext... Hierarchy... Expanded...C03, or other appropriate sub-classes or classes)

|  | G02C |
SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES (trial frames for opticians use Fulltext... Hierarchy... Expanded...A61B 3/04; goggles or eyeshields not having the same features as spectacles Fulltext... Hierarchy... Expanded...A61F 9/00)

|  | G02C |
Note(s) This sub-class also includes contact lenses for the eyes, monocles, pince-nez, and lorgnettes.

|  | G02C 1/00 |
Assemblies of lenses with bridges or browbars

|  | G02C 1/02 |
· | Bridge or browbar secured to lenses without the use of rims

|  | G02C 1/04 |
· | Bridge or browbar secured to, or integral with, partial rims, e.g. with partially-flexible rim for holding the lens

|  | G02C 1/06 |
· | Bridge or browbar secured to, or integral with, closed rigid rims for the lenses

|  | G02C 1/08 |
· · | the rims being transversely-split and provided with securing means

|  | G02C 3/00 |
Special supporting arrangement for lens assemblies or monocles (lenses therefor Fulltext... Hierarchy... Expanded...G02C 7/00)

|  | G02C 3/02 |
· | Arrangements for supporting by headgear

|  | G02C 3/04 |
· | Arrangements for supporting by hand, e.g. lorgnette; Arrangements for supporting by articles (by walking-sticks Fulltext... Hierarchy... Expanded...A45B 3/00)

|  | G02C 5/00 |
Constructions of non-optical parts

|  | G02C 5/02 |
· | Bridges; Browbars; Intermediate bars (nose-engaging surfaces Fulltext... Hierarchy... Expanded...G02C 5/12)

|  | G02C 5/04 |
· · | with adjustable means

|  | G02C 5/06 |
· · | with resilient means

|  | G02C 5/08 |
· · | foldable

|  | G02C 5/10 |
· · | Intermediate bar or bars between bridge and side-members

|  | G02C 5/12 |
· | Nose-pads; Nose-engaging surfaces of bridges or rims

|  | G02C 5/14 |
· | Side-members

|  | G02C 5/16 |
· · | resilient or with resilient parts

|  | G02C 5/18 |
· · | reinforced

|  | G02C 5/20 |
· · | adjustable, e.g. telescopic

|  | G02C 5/22 |
· | Hinges (pivotal connection in general Fulltext... Hierarchy... Expanded...F16C 11/00)

|  | G02C 7/00 |
Optical parts (characterised by the material Fulltext... Hierarchy... Expanded...G02B 1/00)

|  | G02C 7/02 |
· | Lenses; Lens systems

|  | G02C 7/04 |
· · | Contact lenses for the eyes

|  | G02C 7/06 |
· · | bifocal; multifocal

|  | G02C 7/08 |
· · | Auxiliary lenses; Arrangements for varying focal length

|  | G02C 7/10 |
· | Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses

|  | G02C 7/12 |
· | Polarisers

|  | G02C 7/14 |
· | Mirrors; Prisms

|  | G02C 7/16 |
· | Shades, shields; Obturators, e.g. with pinhole, with slot

|  | G02C 9/00 |
Attaching auxiliary optical parts (auxiliary optical parts per se Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...G02C 7/08-G02C 7/16)

|  | G02C 9/02 |
· | by hinging

|  | G02C 9/04 |
· | by fitting over or clamping on

|  | G02C 11/00 |
Non-optical adjuncts; Attachment thereof (Fulltext... Hierarchy... Expanded...G02C 7/16 takes precedence; cases Fulltext... Hierarchy... Expanded...A45C 11/04)

|  | G02C 11/02 |
· | Ornaments, e.g. exchangeable

|  | G02C 11/04 |
· | Illuminating means

|  | G02C 11/06 |
· | Hearing aids (construction of hearing aids Fulltext... Hierarchy... Expanded...H04R 25/00)

|  | G02C 11/08 |
· | Anti-misting means, e.g. ventilating, heating; Wipers

|  | G02C 13/00 |
Assembling (producing spectacle frames from plastics Fulltext... Hierarchy... Expanded...B29D 12/02); Repairing; Cleaning