Cooperative Patent Classification

CPC Definition - Subclass F21L

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Last Updated Version: 2016.11
LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
Definition statement

This place covers:

This subclass covers devices or systems designed or specially adapted to be carried, e.g. by hand, or otherwise transported from place to place, e.g. on wheeled supports, in order to provide illumination as and where required, examples: flashlight, pocket lamps,..

References
Limiting references

This place does not cover:

Arrangement or adaptation of portable emergency signal devices on vehicles to be placed on roadways or vehicles

Devices or systems intended for fixed installation, e.g. vehicle lighting, or for use essentially at a permanent location

Lighting devices intended to be free standing, e.g. table lamp or floor lamp

Non-electric lighting devices intended to be free-standing, e.g. table lamp, floor lamp

Candle holders

Burners, combustion apparatus

F23

Informative references

Attention is drawn to the following places, which may be of interest for search:

Details of portable lighting devices

Structural combinations of lighting devices with other articles, not otherwise provided for

Special rules of classification

Non-electric lighting devices are classified in groups F21L 17/00-F21L 26/00 only if a special adaptation related to the use of a non-electric light source is of interest.In this subclass, it is desirable to add the Indexing Codes of subclasses F21W and F21Y.

F21L 7/00, F21L 11/00 are not used for classification, the relevant remaining F21L is to be used instead

F21L 15/00-F21L 15/14 are not used for classification, the subclass F21V is to be used instead

Systems of lighting devices (systems employing both electric and non-electric light sources or exchangeable light sources F21L 27/00)
Definition statement

This place covers:

Set of plurality of identical portable lighting devices.

Ex.: US2006262525

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References
Limiting references

This place does not cover:

Systems employing lighting devices with a built-in power supply, the lighting devices not being "portable"

Informative references

Attention is drawn to the following places, which may be of interest for search:

Systems employing both electric and non-electric light sources or exchangeable light sources

Electric lighting devices with self-contained electric batteries or cells
Definition statement

This place covers:

Electrical portable lighting devices being self-powered

References
Limiting references

This place does not cover:

Lighting devices with a built-in power supply not being "portable"

{the device being a pocket lamp (F21L 4/022, F21L 4/045, F21L 4/085 take precedence)}
Definition statement

This place covers:

Ex.: US1315457

Flat type self-contained or battery-operated portable electric light

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Ex.: US2010315808

Torch

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Ex.: US2010220465

squeeze-activated flashlight

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References
Limiting references

This place does not cover:

Pocket lamps characterised by the provision of two or more light sources

Pocket lamps characterised by the provision of a light source housing portion adjustably fixed to the remainder of the device

Pocket lamps characterised by means for in situ recharging of the batteries or cells

Synonyms and Keywords

In patent documents, the following words/expressions are often used as synonyms:

  • "flashlight", "pocket lamp" and "torch"
{the light sources being of different shape or type}
Special rules of classification

In this subclass, it is desirable to add the Indexing Codes of subclasses F21Y 2113/20

{the light sources being a LED}
Definition statement

This place covers:

Pocket lamp, the light emitter of which being one or more LED

Ex.: US2005007777

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Ex.: US2007133199

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Special rules of classification

In this subclass, it is desirable to add the Indexing Codes F21Y 2101/00

characterised by the provision of a light source housing portion adjustably fixed to the remainder of the device
Definition statement

This place covers:

Portable lighting device having a head portion mechanically attached to the body part and adjustably attached to it.

Ex.: US2008225518

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References
Limiting references

This place does not cover:

Head portion attached to body part by means of flexible connecting sheath comprising electrical wires

Informative references

Attention is drawn to the following places, which may be of interest for search:

Head portion of a lighting device being adjustable

with the light source coupled to the remainder of the device solely by cable
Definition statement

This place covers:

For example, head portion attached to body part by means of flexible connecting sheath comprising electrical wires

Ex.: EP2078894

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References
Limiting references

This place does not cover:

Portable lighting device with a light source housing portion adjustably fixed to the remainder of the device

characterised by means for in situ recharging of the batteries or cells
Definition statement

This place covers:

Portable lighting device provided with connectors to connect the device to external power supply in order to recharge the batteries, e.g. with built-in accumulators

Portable lighting device provided with accumulators (not shaped like conventional batteries) that can be dismounted in order to be recharged on an external recharging base

Portable lighting devices with solar cells integrated to the body of the lamp

References
Limiting references

This place does not cover:

Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries

{Torches or pocket-lamps with built-in batteries (F21L 4/00 takes precedence)}
Definition statement

This place covers:

Card-shaped pocket lamps

Disposable portable lighting devices

Pocket lamps for 3LR12 batteries.

Special rules of classification

F21L 7/00 is not used for classification, the relevant remaining F21L is to be used instead

{Portable lighting devices with built-in batteries or accumulators, not covered by group F21L 4/00 or F21L 7/00, e.g. miners' hand-lamps}
Definition statement

This place covers:

Illuminated wand

Safety illuminated belt

Lantern.

Special rules of classification

F21L 11/00 is not used for classification, the relevant remaining F21L is to be used instead

Electric lighting devices with built-in electric generators (with solar cells F21L 4/00)
References
Limiting references

This place does not cover:

Electric lighting devices with solar cells

with mechanical drive, e.g. spring
Definition statement

This place covers:

Ex.: GB2408317

Flashlight having manual charging device

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by reciprocating pusher actuated by hand
Definition statement

This place covers:

Ex.: EP1450478

Electric power device for portable device with a piezo-converter

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Ex.: WO0247056

Portable signal light with a self-generator

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capable of hand-held use, e.g. inspection lamps
Definition statement

This place covers:

Ex.: US2010061111

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Ex.: US2002097583

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{having two or more, or different light sources}
Special rules of classification

In this subclass, it is desirable to add the appropriate Indexing Codes of subclasses F21Y 2113/00

{having a linear light source}
Special rules of classification

In this subclass, it is desirable to add the appropriate Indexing Codes of subclasses F21Y 2103/00

carried on wheeled supports
Definition statement

This place covers:

Ex.: US2009225536

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Ex.: WO2006047836

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Ex.: US5418701

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References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Projector or searchlight on land vehicles

{concerned with light emission or distribution}
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Refractors for light sources applied to portable lighting devices

Reflectors for light sources for portable lighting devices

Combination of reflectors and refractors for portable lighting devices

Changing the characteristics or the distribution of the light emitted by adjustment of light sources in portable lighting devices

Changing the characteristics or the distribution of the light emitted by adjustment of light sources in portable lighting devices

Changing the characteristics or the distribution of the light emitted by adjustment of reflectors in portable lighting devices

Changing the characteristics or the distribution of the light emitted by adjustment of refractors in portable lighting devices

Special rules of classification

F21L 15/02 is not used for classification, the subclass F21V is used instead

{Arrangements of coloured filters or screens}
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Light filters; selection of luminescent materials for light screens for producing coloured light for portable lighting devices

Changing the characteristics or the distribution of the light emitted by adjustment of screens in portable lighting devices

Special rules of classification

F21L 15/04 is not used for classification, the subclass F21V is used instead

{concerned with the fitting}
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Battery containers for portable lighting devices

Arrangements of switches in or on portable lighting devices

Special rules of classification

F21L 15/06 is not used for classification, the subclass F21V is used instead

{Supporting and suspending elements}
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Supporting, suspending, or attaching arrangements lighting devices; hand grips

Special rules of classification

F21L 15/08 is not used for classification, the subclass F21V is used instead

{without arrangements for adjustment}
Special rules of classification

F21L 15/10 is not used for classification, the subclass F21V is used instead

{Clips; Clamps; Head fittings (for medical purposes A61B 1/06)}
References
Limiting references

This place does not cover:

Head fittings for medical purposes

Informative references

Attention is drawn to the following places, which may be of interest for search:

Supporting, suspending, or attaching arrangements for portable lighting devices: Head fittings

Supporting, suspending, or attaching arrangements for portable lighting devices: Clips, clamps

Special rules of classification

F21L 15/14 is not used for classification, the subclass F21V is used instead

Lanterns, e.g. hurricane lamps or candle lamps (candle holders F21V 35/00)
References
Limiting references

This place does not cover:

Candle holders

{Fastening or lifting of the lamp glass (fastening of component parts of lighting devices F21V 17/00)}
References
Limiting references

This place does not cover:

Fastening of component parts of the lighting devices

{Special adaptation for protection against draughts (in lighting devices employing combustion other than lanterns F21V 37/02)}
References
Limiting references

This place does not cover:

In lighting devices employing combustion other than lanterns