|  | B |
SECTION B — PERFORMING OPERATIONS

PRINTING

|  | B44 |
DECORATIVE ARTS

|  | B44F |
SPECIAL DESIGNS OR PICTURES

|  | B44F 1/00 |
Designs or pictures characterised by special or unusual light effects

|  | B44F 1/02 |
· | produced by reflected light, e.g. matt surfaces, lustrous surfaces

|  | B44F 1/04 |
· · | after passage through surface layers, e.g. pictures with mirrors on the back

|  | B44F 1/06 |
· | produced by transmitted light, e.g. transparencies, imitations of glass-paintings

|  | B44F 1/08 |
· | characterised by colour effects

|  | B44F 1/10 |
· · | Changing, amusing, or secret pictures

|  | B44F 1/12 |
· · | Securities or banknotes as far as the design or protection against forgery is of importance

|  | B44F 1/14 |
· · | Iridescent effects

|  | B44F 3/00 |
Designs characterised by outlines

|  | B44F 5/00 |
Designs characterised by irregular areas, e.g. mottled patterns (imitating natural patterns or artistic work Fulltext... Hierarchy... Expanded...B44F 9/00, Fulltext... Hierarchy... Expanded...B44F 11/00)

|  | B44F 7/00 |
Designs imitating three-dimensional effects

|  | B44F 9/00 |
Designs imitating natural patterns

|  | B44F 9/02 |
· | wood grain effects

|  | B44F 9/04 |
· | of stone surfaces, e.g. marble

|  | B44F 9/06 |
· | of horn, ivory, or meerschaum surfaces

|  | B44F 9/08 |
· | of crystalline structures, pearl effects, or mother-of-pearl effects

|  | B44F 9/10 |
· | of metallic or oxidised metallic surfaces

|  | B44F 9/12 |
· | of leather

|  | B44F 11/00 |
Designs imitating artistic work

|  | B44F 11/02 |
· | Imitation of pictures, e.g. oil paintings

|  | B44F 11/04 |
· | Imitation of mosaic or tarsia-work patterns

|  | B44F 11/06 |
· | Imitation of ceramic patterns