Concessão da patente
#16.1
04/28/1987
RPI 862
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Official data from INPI
ELEMENTO LUMINOSO PARA PAINEL ALFA-NUMERICO
ConcedidaUtility Model
Progress at the INPI
- Filing06/08/81
- Publication01/11/83
- Examination01/24/84
- Allowance10/21/86
- Grant04/28/87
- Expired11/22/94
The letters patent expired on 11/22/1994: 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: 04/28/1987. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
N. M. (pessoa física)
Inventors
N. M. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
01/06/1987
RPI 846
100
10/21/1986
RPI 835
120
05/27/1986
RPI 814
Petição de recurso
#12.2
01/07/1986
RPI 794
Indeferimento
#9.2
08/27/1985
RPI 775
Solicitação de exame técnico
#4.1
01/24/1984
RPI 692
Publicação do pedido de patente
#3.1
01/11/1983
RPI 638
Carta-patente expirada
#21.1
11/22/1994
RPI 1251
Pedido de licença compulsória
#20.1
02/06/1990
RPI 1005
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