Concessão da patente
#16.1
08/27/1985
RPI 775
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Official data from INPI
PROCESSO PARA GASEIFICACAO SUBTERRANEA DE COMBUSTIVEL FOSSIL
ConcedidaInvention Patent
Application data
Number
PI8102906Type
Invention Patent
Filing
05/11/1981
Publication
12/21/1982
Progress at the INPI
- Filing05/11/81
- Publication12/21/82
- Examination08/02/83
- Allowance03/05/85
- Grant08/27/85
- Terminated08/30/94
The patent was granted on 08/27/1985 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: 08/27/1985. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
VNII ISPOLZOVANIA [SU]
Inventors
K. A. (pessoa física)
P. (pessoa física)
S. M. (pessoa física)
V. F. (pessoa física)
Z. N. (pessoa física)
Z. G. (pessoa física)
Technical data
IPC Classification
No IPC classification.
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
06/25/1985
RPI 766
Deferimento
#9.1
03/05/1985
RPI 750
Solicitação de exame técnico
#4.1
08/02/1983
RPI 667
Publicação do pedido de patente
#3.1
12/21/1982
RPI 635
Anuidade - prazo legal encerrado
#18.2
08/30/1994
RPI 1239
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