Anuidade - prazo legal encerrado
#18.2
05/24/1988
RPI 918
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Official data from INPI
APARELHO PARA A REDUÇÃO DIRETA DE ÓXIDOS DE FERRO
Em AnáliseInvention Patent
Application data
Number
PI8200350Type
Invention Patent
Filing
01/22/1982
Publication
11/23/1982
Progress at the INPI
- Filing01/22/82
- Publication11/23/82
- Examination08/30/83
- Allowance07/09/85
- Grant12/31/85
- Terminated05/24/88
The patent was granted on 12/31/1985 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: 05/24/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
M. C. (pessoa física)
US
Inventors
C. S. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Pedido de licença compulsória
#20.1
09/02/1986
RPI 828
Concessão da patente
#16.1
12/31/1985
RPI 793
Notificação para pagamento de retribuição
#13.1
11/12/1985
RPI 786
Deferimento
#9.1
07/09/1985
RPI 768
6.2
11/27/1984
RPI 736
Solicitação de exame técnico
#4.1
08/30/1983
RPI 671
Publicação do pedido de patente
#3.1
11/23/1982
RPI 631
Pedido de patente depositado
#2.1
03/16/1982
RPI 595
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