Concessão da patente
#16.1
04/26/1988
RPI 914
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Official data from INPI
PROCESSO DE PRODUCAO DE FERROCROMO A BASE DE CARBONO
ConcedidaInvention Patent
Application data
Number
PI8107353Type
Invention Patent
Filing
11/13/1980
Publication
08/03/1982
Progress at the INPI
- Filing11/13/80
- Publication08/03/82
- Examination06/05/84
- Allowance09/08/87
- Grant04/26/88
- Terminated02/04/92
The patent was granted on 04/26/1988 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: 04/26/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
SOFREM [FR]
Inventors
B. L. (pessoa física)
B. P. (pessoa física)
M. J. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
01/26/1988
RPI 901
Deferimento
#9.1
09/08/1987
RPI 881
Exigência - art. 36 da LPI
#6.1
02/24/1987
RPI 853
Conhecimento de parecer técnico
#7.1
03/26/1985
RPI 753
6.2
11/20/1984
RPI 735
Solicitação de exame técnico
#4.1
06/05/1984
RPI 711
Publicação do pedido de patente
#3.1
08/03/1982
RPI 615
Pedido de patente depositado
#2.1
12/29/1981
RPI 584
Anuidade - prazo legal encerrado
#18.2
02/04/1992
RPI 1105
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