Concessão da patente
#16.1
12/29/1987
RPI 897
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Official data from INPI
APERFEIÇOAMENTOS EM UM MÉTODO E APARELHO PARA A PRODUÇÃO DE METAL TITÂNIO A PARTIR DE TETRACLORETO DE TITÂNIO
ConcedidaInvention Patent
Application data
Number
PI8201881Type
Invention Patent
Filing
04/02/1982
Publication
03/08/1983
Progress at the INPI
- Filing04/02/82
- Publication03/08/83
- Examination04/09/85
- Allowance05/05/87
- Grant12/29/87
- Terminated07/18/95
The patent was granted on 12/29/1987 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: 12/29/1987. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
H. I. (pessoa física)
JP
Inventors
H. I. (pessoa física)
JP
Technical data
IPC Classification
Priority claims
JP
50896/81 · 04/04/1981
JP
74606/81 · 05/18/1981
JP
77461/81 · 05/22/1981
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
09/22/1987
RPI 883
Deferimento
#9.1
05/05/1987
RPI 863
Exigência - art. 36 da LPI
#6.1
09/30/1986
RPI 832
Solicitação de exame técnico
#4.1
04/09/1985
RPI 755
Publicação do pedido de patente
#3.1
03/08/1983
RPI 646
Pedido de patente depositado
#2.1
05/25/1982
RPI 605
Anuidade - prazo legal encerrado
#18.2
07/18/1995
RPI 1285
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