Exigência - art. 36 da LPI
#6.1
09/05/1989
RPI 985
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Official data from INPI
PROCESSO PARA TRATAMENTO DE ÁGUA DE REJEITO DE LAMA ATIVADA
Em ExigênciaInvention Patent
Application data
Number
PI8300432Type
Invention Patent
Filing
01/28/1983
Publication
11/01/1983
Progress at the INPI
- Filing01/28/83
- Publication11/01/83
- Examination07/15/86
- Allowance05/01/90
- Grant02/13/91
- Terminated08/29/95
The patent was granted on 02/13/1991 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: 09/05/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
E. C. (pessoa física)
US
Environmental Research And Technology, Inc
US
Inventors
G. W. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
6.2
06/23/1987
RPI 870
Solicitação de exame técnico
#4.1
07/15/1986
RPI 821
8.1
01/21/1986
RPI 796
Publicação do pedido de patente
#3.1
11/01/1983
RPI 680
Pedido de patente depositado
#2.1
03/15/1983
RPI 647
Anuidade - prazo legal encerrado
#18.2
08/29/1995
RPI 1291
Concessão da patente
#16.1
02/13/1991
RPI 1054
14.4
10/16/1990
RPI 1037
14.7
10/16/1990
RPI 1037
Notificação para pagamento de retribuição
#13.1
08/21/1990
RPI 1029
Deferimento
#9.1
05/01/1990
RPI 1016
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