Solicitação de exame técnico
#4.1
12/15/1987
RPI 895
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Official data from INPI
PROCESSO PARA A PREPARAÇÃO DE URÉIA
Em AnáliseInvention Patent
Application data
Number
PI8501156Type
Invention Patent
Filing
03/15/1985
Publication
11/12/1985
Progress at the INPI
- Filing03/15/85
- Publication11/12/85
- Examination12/15/87
- Allowance07/07/92
- Grant03/30/93
- Terminated05/21/96
The patent was granted on 03/30/1993 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: 12/15/1987. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Unie Van Kunstmestfabrieken B.V.
NL
Inventors
K. J. (pessoa física)
NL
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Publicação do pedido de patente
#3.1
11/12/1985
RPI 786
Pedido de patente depositado
#2.1
06/04/1985
RPI 763
Anuidade - prazo legal encerrado
#18.2
05/21/1996
RPI 1329
Concessão da patente
#16.1
03/30/1993
RPI 1165
Notificação para pagamento de retribuição
#13.1
11/24/1992
RPI 1147
Deferimento
#9.1
07/07/1992
RPI 1127
Exigência - art. 36 da LPI
#6.1
08/20/1991
RPI 1081
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