Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KILLING C
Westf Gasgluhlichtfabrik F W F
Original Assignee
KILLING C
Westf Gasgluhlichtfabrik F W F
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KILLING C, Westf Gasgluhlichtfabrik F W FfiledCriticalKILLING C
Application grantedgrantedCritical
Publication of FR519105ApublicationCriticalpatent/FR519105A/fr
F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
F21V17/04—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the light source
Landscapes
Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
Non-Portable Lighting Devices Or Systems Thereof
(AREA)
FR519105A1915-12-041920-07-06Procédé et appareil pour l'obtention d'une meilleure distribution de la lumière fournie par les lampes
ExpiredFR519105A
(fr)