FR669142A - Mode d'assemblage de surfaces, plus spécialement applicable à la confection des abat-jour, diffuseurs de lumière et analogues
- Google Patents
Mode d'assemblage de surfaces, plus spécialement applicable à la confection des abat-jour, diffuseurs de lumière et analogues
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.)
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 filedfiledCritical
Application grantedgrantedCritical
Publication of FR669142ApublicationCriticalpatent/FR669142A/fr
F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
F21V1/14—Covers for frames; Frameless shades
F21V1/16—Covers for frames; Frameless shades characterised by the material
F21V1/22—Covers for frames; Frameless shades characterised by the material the material being plastics
Landscapes
Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
FR669142D1929-02-041929-02-04Mode d'assemblage de surfaces, plus spécialement applicable à la confection des abat-jour, diffuseurs de lumière et analogues
ExpiredFR669142A
(fr)