6.2
05/30/1989
RPI 971
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Official data from INPI
PROCESSO PARA PRODUÇÃO DE HIDRÓXIDO DE COBRE (II)
Em ExigênciaInvention Patent
Progress at the INPI
- Filing05/22/85
- Publication
- Examination11/10/87
- Allowance11/27/90
- Grant07/30/91
- Terminated09/19/95
The patent was granted on 07/30/1991 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
Norddeutsche Affinerie Ag
DE
Inventors
D. P. (pessoa física)
DE
J. L. (pessoa física)
DE
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Solicitação de exame técnico
#4.1
11/10/1987
RPI 890
Pedido de patente depositado
#2.1
07/30/1985
RPI 771
Anuidade - prazo legal encerrado
#18.2
09/19/1995
RPI 1294
Concessão da patente
#16.1
07/30/1991
RPI 1078
15.18
04/09/1991
RPI 1062
Retificação
#15.3
02/19/1991
RPI 1055
Deferimento
#9.1
11/27/1990
RPI 1043
Exigência - art. 36 da LPI
#6.1
05/01/1990
RPI 1016
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