Concessão da patente
#16.1
04/28/1987
RPI 862
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Official data from INPI
PROCESSO DE RECUPERACAO DE METAIS NAO VOLATEIS DE MATERIAL EM FORMA DE PO QUE CONTEM OXIDOS METALICOS
ConcedidaInvention Patent
Application data
Number
PI8100086Type
Invention Patent
Filing
06/10/1980
Publication
01/12/1982
Progress at the INPI
- Filing06/10/80
- Publication01/12/82
- Examination04/13/82
- Allowance10/14/86
- Grant04/28/87
- Terminated08/23/94
The patent was granted on 04/28/1987 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: 04/28/1987. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
SKF STEEL ENG AB
Inventors
S. S. (pessoa física)
Technical data
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
01/06/1987
RPI 846
100
10/14/1986
RPI 834
120
06/17/1986
RPI 817
Petição de recurso
#12.2
08/06/1985
RPI 772
Indeferimento
#9.2
04/09/1985
RPI 755
Conhecimento de parecer técnico
#7.1
02/28/1984
RPI 697
Solicitação de exame técnico
#4.1
04/13/1982
RPI 599
Publicação do pedido de patente
#3.1
01/12/1982
RPI 586
Anuidade - prazo legal encerrado
#18.2
08/23/1994
RPI 1238
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