Concessão da patente
#16.1
09/26/1989
RPI 988
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Official data from INPI
PROCESSO PARA PRODUÇÃO DE FOSFATOS DE METAL ALCALINO
ConcedidaInvention Patent
Application data
Number
PI8403903Type
Invention Patent
Filing
08/03/1984
Publication
07/09/1985
Progress at the INPI
- Filing08/03/84
- Publication07/09/85
- Examination07/28/87
- Allowance03/07/89
- Grant09/26/89
- Expired07/08/08
The letters patent expired on 07/08/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Griffith Thomas, australiano, engenheiro consultor
AU
Inventors
G. T. (pessoa física)
AU
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
07/11/1989
RPI 977
Deferimento
#9.1
03/07/1989
RPI 959
Exigência - art. 36 da LPI
#6.1
09/20/1988
RPI 935
Solicitação de exame técnico
#4.1
07/28/1987
RPI 875
Publicação do pedido de patente
#3.1
07/09/1985
RPI 768
Pedido de patente depositado
#2.1
10/09/1984
RPI 729
Carta-patente expirada
#21.1
Patente extinta em 03/08/99
07/08/2008
RPI 1957
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