Deferimento
#9.1
09/05/1989
RPI 985
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Official data from INPI
PROCESSO PARA FABRICAR LIGA DE ALUMÍNIO-SILÍCIO A PARTIR DE MINERAL NATURAL E CARVÃO EM PÓ
DeferidaInvention Patent
Application data
Number
PI8300695Type
Invention Patent
Filing
02/10/1983
Publication
06/05/1984
Progress at the INPI
- Filing02/10/83
- Publication06/05/84
- Examination07/01/86
- Allowance09/05/89
- Grant03/20/90
- Terminated04/18/95
The patent was granted on 03/20/1990 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: 09/05/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
SKF Steel Engineering AB
SE
Inventors
S. E. (pessoa física)
SE
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Conhecimento de parecer técnico
#7.1
04/11/1989
RPI 964
6.2
02/24/1987
RPI 853
Solicitação de exame técnico
#4.1
07/01/1986
RPI 819
Publicação do pedido de patente
#3.1
06/05/1984
RPI 711
Pedido de patente depositado
#2.1
03/29/1983
RPI 649
Anuidade - prazo legal encerrado
#18.2
04/18/1995
RPI 1272
Concessão da patente
#16.1
03/20/1990
RPI 1010
Notificação para pagamento de retribuição
#13.1
01/09/1990
RPI 1001
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