Concessão da patente
#16.1
09/25/1984
RPI 727
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Official data from INPI
PROCESSO DE FABRICAÇÃO CONTÍNUA DE COQUE OU DE SEMI-COQUE E INSTALAÇÃO PARA A EXECUÇÃO DO PROCESSO.
ConcedidaInvention Patent
Progress at the INPI
- Filing06/24/80
- Publication
- Examination02/01/83
- Allowance01/31/84
- Grant09/25/84
- Expired09/12/95
The letters patent expired on 09/12/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 09/25/1984. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
H. L. (pessoa física)
FR
Inventors
L. G. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
05/15/1984
RPI 708
Deferimento
#9.1
01/31/1984
RPI 693
Solicitação de exame técnico
#4.1
02/01/1983
RPI 641
Carta-patente expirada
#21.1
09/12/1995
RPI 1293
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