Solicitação de exame técnico
#4.1
07/07/1987
RPI 872
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Official data from INPI
PROCESSO PARA O TRATAMENTO ANAERÓBICO DE ÁGUAS SERVIDAS PROVENIENTES DE INDUSTRIAIS FLORESTAIS
Em AnáliseInvention Patent
Application data
Number
PI8504934Type
Invention Patent
Filing
10/07/1985
Publication
05/12/1987
Progress at the INPI
- Filing10/07/85
- Publication05/12/87
- Examination07/07/87
- Allowance08/07/90
- Grant02/26/91
- Terminated09/19/95
The patent was granted on 02/26/1991 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: 07/07/1987. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
P. A. (pessoa física)
SE
Inventors
P. A. (pessoa física)
SE
T. W. (pessoa física)
SE
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Publicação do pedido de patente
#3.1
05/12/1987
RPI 864
Pedido de patente depositado
#2.1
12/17/1985
RPI 791
Anuidade - prazo legal encerrado
#18.2
09/19/1995
RPI 1294
Concessão da patente
#16.1
02/26/1991
RPI 1056
Notificação para pagamento de retribuição
#13.1
11/20/1990
RPI 1042
Deferimento
#9.1
08/07/1990
RPI 1027
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