Concessão da patente
#16.1
04/29/1986
RPI 810
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Official data from INPI
PROCESSO PARA A PREPARACAO DE MAGNESIA SINTERIZADA
ConcedidaInvention Patent
Application data
Number
PI8107212Type
Invention Patent
Filing
11/07/1980
Publication
07/27/1982
Progress at the INPI
- Filing11/07/80
- Publication07/27/82
- Examination04/05/83
- Allowance08/20/85
- Grant04/29/86
- Terminated02/04/92
The patent was granted on 04/29/1986 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: 04/29/1986. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
VEITSCHER MAGNESITWERKE AG [AT]
Inventors
G. H. (pessoa física)
S. P. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
12/24/1985
RPI 792
Deferimento
#9.1
08/20/1985
RPI 774
Exigência - art. 36 da LPI
#6.1
12/04/1984
RPI 737
Solicitação de exame técnico
#4.1
04/05/1983
RPI 650
Publicação do pedido de patente
#3.1
07/27/1982
RPI 614
Pedido de patente depositado
#2.1
12/22/1981
RPI 583
Anuidade - prazo legal encerrado
#18.2
02/04/1992
RPI 1105
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