Deferimento
#9.1
10/31/1989
RPI 993
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Official data from INPI
PROCESSO PARA A PRODUCAO DE FERRO-GUSA EM FUSAO OU PRE-PRODUTOS DE ACO E ARRANJO PARA A REALIZACAO DO PROCESSO
DeferidaInvention Patent
Application data
Number
PI8404124Type
Invention Patent
Filing
08/18/1983
Publication
07/16/1985
Progress at the INPI
- Filing08/18/83
- Publication07/16/85
- Examination02/17/87
- Allowance10/31/89
- Grant05/29/90
- Terminated06/20/95
The patent was granted on 05/29/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
KORF ENGINEERING GMBH [AT]
VOEST ALPINE AG [AT]
Inventors
K. W. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
6.2
07/26/1988
RPI 927
Solicitação de exame técnico
#4.1
02/17/1987
RPI 852
Publicação do pedido de patente
#3.1
07/16/1985
RPI 769
Pedido de patente depositado
#2.1
10/23/1984
RPI 731
Anuidade - prazo legal encerrado
#18.2
06/20/1995
RPI 1281
Concessão da patente
#16.1
05/29/1990
RPI 1020
Notificação para pagamento de retribuição
#13.1
03/06/1990
RPI 1008
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