Concessão da patente
#16.1
11/27/1984
RPI 736
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Official data from INPI
SISTEMA PARA A RECUPERACAO SOB A FORMA DE ENERGIA DA PRESSAO E DO CALOR SENSIVEL A PARTIR DE UM GAS DESCARREGADO A PARTIR DA PARTE SUPERIOR DE UM ALTO FORNO
ConcedidaInvention Patent
Progress at the INPI
- Filing05/18/79
- Publication
- Examination
- Allowance05/22/84
- Grant11/27/84
- Terminated09/25/90
The patent was granted on 11/27/1984 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: 11/27/1984. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
HITACHI SHIPBUILDING ENG CO
Inventors
H. Y. (pessoa física)
N. O. (pessoa física)
T. W. (pessoa física)
Y. T. (pessoa física)
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
09/04/1984
RPI 724
Deferimento
#9.1
05/22/1984
RPI 709
Exigência - art. 36 da LPI
#6.1
11/29/1983
RPI 684
Anuidade - prazo legal encerrado
#18.2
09/25/1990
RPI 1034
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