​

CPC Definition - Subclass F21W

Printable version [PDF]
Last Updated Version: 2025.08
F21W
INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions
Definition statement

This place covers:

Illustrative example of subject matter classified in this place:

1a.

media1.png

1b.

media2.png

having vertical cut-off lines; specially adapted for adaptive high beams, i.e. wherein the beam is broader but avoids glaring other road users
Definition statement

This place covers:

Illustrative example of subject matter classified in this place:

media3.png

wherein the light is emitted between two parallel vertical cutoff lines, e.g. selectively emitted rectangular-shaped high beam
Definition statement

This place covers:

Illustrative example of subject matter classified in this place:

media4.png

wherein the light is emitted under L-shaped cut-off lines, i.e. vertical and horizontal cutoff lines
Definition statement

This place covers:

Illustrative example of subject matter classified in this place:

media5.png

having inclined and horizontal cutoff lines
Definition statement

This place covers:

Illustrative example of subject matter classified in this place:

media6.png

having blurred cut-off lines
Definition statement

This place covers:

Illustrative example of subject matter classified in this place:

media7.png

the borderlines between emitted regions and dark regions other than cut-off lines being variable
Definition statement

This place covers:

Illustrative example of subject matter classified in this place:

1a.

media8.png

1b.

media9.png

for overhead signs
Definition statement

This place covers:

Illustrative example of subject matter classified in this place:

media10.png

for curves
Definition statement

This place covers:

Illustrative example of subject matter classified in this place:

media11.png

Illuminance distribution within the emitted light
Definition statement

This place covers:

Illustrative example of subject matter classified in this place:

media12.png

Fog lights
Definition statement

This place covers:

Illustrative example of subject matter classified in this place:

1a.

media13.png

1b.

media14.png

the light being emitted to facilitate access to the vehicle
Definition statement

This place covers:

Illustrative example of subject matter classified in this place:

media15.png

Interior vehicle lighting devices
Relationships with other classification places

Disclosures relating to vehicle lighting devices, whereby interior vehicle lighting is only indicated as an example, are classified in this indexing code. Disclosures focusing solely on vehicle interior lighting devices are classified only in B60Q 3/00.

Use or application of lighting devices on or in particular types of vehicles
Relationships with other classification places

Disclosures relating to illumination or signalling devices for vehicles in general, whereby as an example an illumination or a signalling device for motorcycle, aircraft or ship is being indicated, are classified in this indexing code. Disclosures focusing as a whole only on, e.g. aircraft landing lights, are classified only in B64D 47/04.