Solicitação de exame técnico
#4.1
08/08/1989
RPI 981
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Official data from INPI
FILTRO ELIMINADOR DE RESPOSTA EM FAIXA ADAPTÀVEL
Em AnáliseInvention Patent
Application data
Number
PI8604623Type
Invention Patent
Filing
09/25/1986
Publication
05/26/1987
Progress at the INPI
- Filing09/25/86
- Publication05/26/87
- Examination08/08/89
- Allowance10/15/91
- Grant06/30/92
- Terminated06/18/96
The patent was granted on 06/30/1992 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: 08/08/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
I. C. (pessoa física)
US
Inventors
L. W. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Publicação do pedido de patente
#3.1
05/26/1987
RPI 866
Pedido de patente depositado
#2.1
03/24/1987
RPI 857
Anuidade - prazo legal encerrado
#18.2
06/18/1996
RPI 1333
Concessão da patente
#16.1
06/30/1992
RPI 1126
Notificação para pagamento de retribuição
#13.1
02/18/1992
RPI 1107
Deferimento
#9.1
10/15/1991
RPI 1089
Republicação - classificação IPC
#15.11
07/23/1991
RPI 1077
Exigência - art. 36 da LPI
#6.1
02/19/1991
RPI 1055
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