Concessão da patente
#16.1
03/25/1986
RPI 805
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Official data from INPI
PROCESSO PARA O AQUECIMENTO DE FORNOS DE COQUE E INSTALAÇÃO PARA EXECUÇÃO DO PROCESSO
ConcedidaInvention Patent
Application data
Number
PI8203811Type
Invention Patent
Filing
07/30/1982
Publication
06/28/1983
Progress at the INPI
- Filing07/30/82
- Publication06/28/83
- Examination09/25/84
- Allowance08/06/85
- Grant03/25/86
- Terminated06/26/90
The patent was granted on 03/25/1986 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: 03/25/1986. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Krupp-Koppers Gmbh ,
DE
Inventors
A. A. (pessoa física)
DE
W. W. (pessoa física)
DE
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
12/10/1985
RPI 790
Deferimento
#9.1
08/06/1985
RPI 772
Solicitação de exame técnico
#4.1
09/25/1984
RPI 727
Publicação do pedido de patente
#3.1
06/28/1983
RPI 662
Pedido de patente depositado
#2.1
08/17/1982
RPI 617
Anuidade - prazo legal encerrado
#18.2
06/26/1990
RPI 1024
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