Solicitação de exame técnico
#4.1
06/13/1989
RPI 973
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Official data from INPI
PROCESSO PARA O TRATAMENTO DE LÁTEX DE CAMPO DE BORRACHA NATURAL FRESCO E PROCESSO PARA A PREPARAÇÃO DE BORRACHA NATURAL EPOXIDADA
Em AnáliseInvention Patent
Application data
Number
PI8603957Type
Invention Patent
Filing
08/19/1986
Publication
03/24/1987
Progress at the INPI
- Filing08/19/86
- Publication03/24/87
- Examination06/13/89
- Allowance06/20/95
- Grant01/30/96
- Expired07/22/08
The letters patent expired on 07/22/2008: 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: 06/13/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
The Board of the Rubber Research Institute of Malaysia
MY
The Board Of The Rubber Research Institute Of Malaysia
MY
Inventors
S. C. (pessoa física)
MY
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Publicação do pedido de patente
#3.1
03/24/1987
RPI 857
Pedido de patente depositado
#2.1
03/04/1987
RPI 854
Carta-patente expirada
#21.1
Patente extinta em 19/08/2001
07/22/2008
RPI 1959
Concessão da patente
#16.1
01/30/1996
RPI 1313
Notificação para pagamento de retribuição
#13.1
10/31/1995
RPI 1300
Deferimento
#9.1
06/20/1995
RPI 1281
Exigência - art. 36 da LPI
#6.1
10/06/1992
RPI 1140
Exigência - art. 36 da LPI
#6.1
09/24/1991
RPI 1086
6.2
08/07/1990
RPI 1027
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