Concessão da patente
#16.1
10/24/1989
RPI 992
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Official data from INPI
PROCESSO E EQUIPAMENTO PARA A PRODUÇÃO DIRETA DE PARTÍCULAS DE ESPONJA DE FERRO E DE FERRO BRUTO LÍQUIDO A PARTIR DE MINÉRIO DE FERRO EM PEDAÇOS
ConcedidaInvention Patent
Application data
Number
PI8306264Type
Invention Patent
Filing
11/14/1983
Publication
06/19/1984
Progress at the INPI
- Filing11/14/83
- Publication06/19/84
- Examination07/29/86
- Allowance04/25/89
- Grant10/24/89
- Terminated05/09/95
The patent was granted on 10/24/1989 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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Korf Engineering GmbH.
DE
Voest-Alpine AG.
AT
Inventors
B. V. (pessoa física)
DE
Technical data
IPC Classification
Priority claims
DE
P 32 42 232.6 · 11/15/1982
DE
P 33 28 373.7 · 08/05/1983
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
08/22/1989
RPI 983
Deferimento
#9.1
04/25/1989
RPI 966
Exigência - art. 36 da LPI
#6.1
09/20/1988
RPI 935
6.2
06/30/1987
RPI 871
Solicitação de exame técnico
#4.1
07/29/1986
RPI 823
Publicação do pedido de patente
#3.1
06/19/1984
RPI 713
Pedido de patente depositado
#2.1
01/24/1984
RPI 692
Anuidade - prazo legal encerrado
#18.2
05/09/1995
RPI 1275
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