Concessão da patente
#16.1
03/28/1989
RPI 962
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Official data from INPI
PROCESSO PARA GASEIFICACAO SUBTERRANEA DE VEIO DE CARVAO
ConcedidaInvention Patent
Application data
Number
PI8400778Type
Invention Patent
Filing
02/21/1984
Publication
10/01/1985
Progress at the INPI
- Filing02/21/84
- Publication10/01/85
- Examination05/27/86
- Allowance07/12/88
- Grant03/28/89
- Terminated06/06/95
The patent was granted on 03/28/1989 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: 03/28/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
VNII ISPOLZOVANIA [SU]
Inventors
G. S. (pessoa física)
K. V. (pessoa física)
K. N. (pessoa física)
K. (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
11/16/1988
RPI 943
Deferimento
#9.1
07/12/1988
RPI 925
Solicitação de exame técnico
#4.1
05/27/1986
RPI 814
Publicação do pedido de patente
#3.1
10/01/1985
RPI 780
Pedido de patente depositado
#2.1
05/08/1984
RPI 707
Anuidade - prazo legal encerrado
#18.2
06/06/1995
RPI 1279
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