Concessão da patente
#16.1
05/31/1988
RPI 919
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Official data from INPI
PRODUÇÃO DE DIÓXIDO DE CLORO, UTILIZANDO COMO ALIMENTADOR UMA MISTURA DE ÁCIDOS.
ConcedidaInvention Patent
Application data
Number
PI8107450Type
Invention Patent
Filing
11/17/1981
Publication
08/10/1982
Progress at the INPI
- Filing11/17/81
- Publication08/10/82
- Examination12/14/82
- Allowance03/31/87
- Grant05/31/88
- Terminated03/19/96
The patent was granted on 05/31/1988 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: 05/31/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Sterling Canada INC.
US
Inventors
F. J. (pessoa física)
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
14.1
03/15/1988
RPI 908
14.3
12/08/1987
RPI 894
Notificação para pagamento de retribuição
#13.1
08/11/1987
RPI 877
Deferimento
#9.1
03/31/1987
RPI 858
Exigência - art. 36 da LPI
#6.1
12/17/1985
RPI 791
Exigência - art. 36 da LPI
#6.1
01/15/1985
RPI 743
Solicitação de exame técnico
#4.1
12/14/1982
RPI 634
Publicação do pedido de patente
#3.1
08/10/1982
RPI 616
Anuidade - prazo legal encerrado
#18.2
03/19/1996
RPI 1320
Pedido de licença compulsória
#20.1
03/30/1993
RPI 1165
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