Concessão da patente
#16.1
07/28/1987
RPI 875
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Application data
Number
PI8206704Type
Invention Patent
Filing
11/19/1982
Publication
10/04/1983
Progress at the INPI
- Filing11/19/82
- Publication10/04/83
- Examination01/10/84
- Allowance10/29/86
- Grant07/28/87
- Terminated07/18/95
The patent was granted on 07/28/1987 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: 07/28/1987. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Tioxide Group PLC
GB
Inventors
L. J. (pessoa física)
W. G. (pessoa física)
Technical data
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
03/31/1987
RPI 858
Deferimento
#9.1
10/29/1986
RPI 836
8.1
08/13/1985
RPI 773
Solicitação de exame técnico
#4.1
01/10/1984
RPI 690
Publicação do pedido de patente
#3.1
10/04/1983
RPI 676
Pedido de patente depositado
#2.1
01/11/1983
RPI 638
Anuidade - prazo legal encerrado
#18.2
07/18/1995
RPI 1285
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