EP 0390270 A1 19901003 - A board, in particular a writing board.
Title (en)
A board, in particular a writing board.
Title (de)
Tafel, insbesondere Schreibtafel.
Title (fr)
Un tableau, en particulier un tableau pour écrire.
Publication
Application
Priority
BE 8900362 A 19890331
Abstract (en)
This invention relates to a board, in particular a writing board comprising a base layer (6), a cover layer (7) provided for erasably writing thereon and a photo-luminescent layer (8) comprising photo-luminescent particles embedded in a polymeric layer and disposed between said base layer (6) and said cover layer (7), the latter being made of a transparent material so that texts or drawings applied on this board are even in the dark clearly visible.
IPC 1-7
IPC 8 full level
B43L 1/00 (2006.01); G09F 13/22 (2006.01)
CPC (source: EP)
B43L 1/006 (2013.01)
Citation (search report)
- [X] FR 2427211 A1 19791228 - SCERAB [FR]
- [X] GB 559124 A 19440204 - ARTHUR MARCUS REWALD, et al
- [Y] FR 2308155 A1 19761112 - AEROSPATIALE [FR]
- [Y] PATENT ABSTRACTS OF JAPAN vol. 6, no. 239 (C-137)(1117) 26 November 82, & JP-A-57 139171 (NIPPON DENSHIN DENWA KOSHA) 27 August 82,
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0390270 A1 19901003; BE 1003132 A6 19911203; JP H03114791 A 19910515
DOCDB simple family (application)
EP 90200689 A 19900323; BE 8900362 A 19890331; JP 8141890 A 19900330