Concessão da patente
#16.1
11/28/1989
RPI 997
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Official data from INPI
PROCESSO DE FABRICAÇÃO DE FERRO-SILÍCIO
ConcedidaInvention Patent
Application data
Number
PI8301516Type
Invention Patent
Filing
03/24/1983
Publication
04/17/1984
Progress at the INPI
- Filing03/24/83
- Publication04/17/84
- Examination07/16/85
- Allowance05/09/89
- Grant11/28/89
- Terminated04/25/95
The patent was granted on 11/28/1989 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: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
SKF Steel Engineering AB.
SE
Inventors
S. E. (pessoa física)
SE
S. S. (pessoa física)
SE
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
09/05/1989
RPI 985
Deferimento
#9.1
05/09/1989
RPI 968
Exigência - art. 36 da LPI
#6.1
11/08/1988
RPI 942
6.2
08/19/1986
RPI 826
Solicitação de exame técnico
#4.1
07/16/1985
RPI 769
Publicação do pedido de patente
#3.1
04/17/1984
RPI 704
Pedido de patente depositado
#2.1
05/10/1983
RPI 655
Anuidade - prazo legal encerrado
#18.2
04/25/1995
RPI 1273
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