Pedido de patente depositado
#2.1
12/20/1988
RPI 948
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Official data from INPI
DISPOSITIVO AQUECEDOR PARA PROTETOR DE EMENDA DE CONDUTORES
Prazo de SigiloInvention Patent
Application data
Number
PI8803420Type
Invention Patent
Filing
07/04/1988
Publication
06/19/1990
Progress at the INPI
- Filing07/04/88
- Publication06/19/90
- Examination01/08/91
- Allowance04/19/94
- Grant01/31/95
- Expired09/02/08
The letters patent expired on 09/02/2008: 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: 12/20/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Furukawa Industrial S A Produstos Elétricos
SP, BR
Furukawa Industrial S/A Produtos Elétricos
PR, BR
Inventors
L. B. (pessoa física)
BR
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Carta-patente expirada
#21.1
Patente extinta em 04/07/2003
09/02/2008
RPI 1965
Concessão da patente
#16.1
01/31/1995
RPI 1261
Notificação para pagamento de retribuição
#13.1
08/16/1994
RPI 1237
Deferimento
#9.1
04/19/1994
RPI 1220
Solicitação de exame técnico
#4.1
01/08/1991
RPI 1049
Publicação do pedido de patente
#3.1
06/19/1990
RPI 1023
14.7
02/06/1990
RPI 1005
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