Solicitação de exame técnico
#4.1
06/06/1989
RPI 972
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Official data from INPI
PROCESSO PARA A PREPARAÇÃO DE UM CATALISADOR DE FOSFATO DE BORO E PROCESSO PARA A CONVERSÃO DE UM ALDEÍDO AO DIENO CORRESPONDENTE
Em AnáliseInvention Patent
Application data
Number
PI8603560Type
Invention Patent
Filing
07/28/1986
Publication
03/04/1987
Progress at the INPI
- Filing07/28/86
- Publication03/04/87
- Examination06/06/89
- Allowance08/04/92
- Grant04/27/93
- 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: 06/06/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
The Goodyear Tire & Rubber Company
US
Inventors
W. H. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Publicação do pedido de patente
#3.1
03/04/1987
RPI 854
Pedido de patente depositado
#2.1
12/16/1986
RPI 843
Carta-patente expirada
#21.1
Patente extinta em 28/07/2001
07/22/2008
RPI 1959
16.3
06/08/1993
RPI 1175
Concessão da patente
#16.1
04/27/1993
RPI 1169
Notificação para pagamento de retribuição
#13.1
12/29/1992
RPI 1152
Deferimento
#9.1
08/04/1992
RPI 1131
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