Carta-patente expirada
#21.1
Patente extinta em 18/04/2010
01/08/2013
RPI 2192
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Official data from INPI
DISPOSITIVO ELETROLUMINESCENTE, CONJUNTO DE DISPOSITIVOS ELETROLUMINESCENTES, E,PROCESSO PARA A FABRICAÇÃO DE UM DISPOSITIVO ELETROLUMINESCENTE
Arquivada/ExtintaInvention PatentPCT · GB1990000584
Application data
Number
PI9006718Type
Invention Patent
Filing
04/18/1990
Publication
08/06/1991
PCT
GB1990000584 Progress at the INPI
- Filing04/18/90
- Publication08/06/91
- Examination11/26/91
- Allowance08/11/98
- Grant12/29/98
- Expired01/08/13
The letters patent expired on 01/08/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 01/08/2013. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Cambridge Capital Management Limited
GB
Cambridge Display Technology Limited
VG
Cambridge Research And Innovation Limited
GB
Lynxvale Limited
GB
Inventors
D. B. (pessoa física)
GB
J. B. (pessoa física)
US
R. F. (pessoa física)
GB
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
12/29/1998
RPI 1460
Deferimento
#9.1
08/11/1998
RPI 1442
Exigência - art. 36 da LPI
#6.1
10/28/1997
RPI 1404
14.1
08/02/1994
RPI 1235
Solicitação de exame técnico
#4.1
11/26/1991
RPI 1095
Notificação de entrada na fase nacional - PCT
#1.3
08/06/1991
RPI 1079
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