Concessão da patente
#16.1
05/30/1989
RPI 971
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Official data from INPI
FORMULAÇÃO DE TINTA BASE DE SOLVENTE E PIGMENTO DE ÓXIDO MANGANOMAGNÃNICO PARA A MESMA
ConcedidaInvention Patent
Application data
Number
PI8203801Type
Invention Patent
Filing
06/29/1982
Publication
06/28/1983
Progress at the INPI
- Filing06/29/82
- Publication06/28/83
- Examination10/18/83
- Allowance10/04/88
- Grant05/30/89
- Terminated02/11/92
The patent was granted on 05/30/1989 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
Elkem Metais Company
US
Inventors
G. S. (pessoa física)
US
K. C. (pessoa física)
US
N. P. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
01/24/1989
RPI 953
Deferimento
#9.1
10/04/1988
RPI 937
Exigência - art. 36 da LPI
#6.1
03/29/1988
RPI 910
Conhecimento de parecer técnico
#7.1
04/23/1985
RPI 757
Solicitação de exame técnico
#4.1
10/18/1983
RPI 678
Publicação do pedido de patente
#3.1
06/28/1983
RPI 662
Pedido de patente depositado
#2.1
08/10/1982
RPI 616
Anuidade - prazo legal encerrado
#18.2
02/11/1992
RPI 1106
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