Concessão da patente
#16.1
11/25/1986
RPI 840
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Official data from INPI
PROCESSO PARA REDUZIR E RECUPERAR METAL VOLATIL DE OXIDOS METALICOS
ConcedidaInvention Patent
Application data
Number
PI8100088Type
Invention Patent
Filing
06/10/1980
Publication
01/12/1982
Progress at the INPI
- Filing06/10/80
- Publication01/12/82
- Examination04/13/82
- Allowance06/17/86
- Grant11/25/86
- Terminated08/23/94
The patent was granted on 11/25/1986 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: 11/25/1986. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
SKF STEEL ENG AB
Inventors
S. S. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
100
06/17/1986
RPI 817
120
02/04/1986
RPI 798
Petição de recurso
#12.2
10/01/1985
RPI 780
Indeferimento
#9.2
07/02/1985
RPI 767
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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