6.2
05/30/1989
RPI 971
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Official data from INPI
FECHO CORREDIÇO PARA O EXTRAVASADOR DE RECIPIENTES METALÚRGICOS.
Em ExigênciaInvention Patent
Application data
Number
PI8504610Type
Invention Patent
Filing
09/20/1985
Publication
07/15/1986
Progress at the INPI
- Filing09/20/85
- Publication07/15/86
- Examination07/19/88
- Allowance02/13/91
- Grant09/24/91
- Terminated09/19/95
The patent was granted on 09/24/1991 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: 05/30/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Didier-Werke AG.
DE
Inventors
M. W. (pessoa física)
DE
U. M. (pessoa física)
DE
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Solicitação de exame técnico
#4.1
07/19/1988
RPI 926
Publicação do pedido de patente
#3.1
07/15/1986
RPI 821
Pedido de patente depositado
#2.1
11/19/1985
RPI 787
Anuidade - prazo legal encerrado
#18.2
09/19/1995
RPI 1294
Concessão da patente
#16.1
09/24/1991
RPI 1086
Notificação para pagamento de retribuição
#13.1
05/28/1991
RPI 1069
Deferimento
#9.1
02/13/1991
RPI 1054
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