Concessão da patente
#16.1
08/30/1988
RPI 932
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Official data from INPI
SISTEMA E PROCESSO PARA EXTRACAO DE COMBUSTIVEL DE HIDROCARBONETO CONTIDO EM UM MINERIO
ConcedidaInvention Patent
Application data
Number
PI8104632Type
Invention Patent
Filing
07/21/1980
Publication
04/06/1982
Progress at the INPI
- Filing07/21/80
- Publication04/06/82
- Examination06/15/82
- Allowance12/29/87
- Grant08/30/88
- Terminated09/25/90
The patent was granted on 08/30/1988 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: 08/30/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
SHELTON ROBERT H [US]
Inventors
S. [. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
05/10/1988
RPI 916
Deferimento
#9.1
12/29/1987
RPI 897
Exigência - art. 36 da LPI
#6.1
03/10/1987
RPI 855
Exigência - art. 36 da LPI
#6.1
04/15/1986
RPI 808
Exigência - art. 36 da LPI
#6.1
09/03/1985
RPI 776
Solicitação de exame técnico
#4.1
06/15/1982
RPI 608
Publicação do pedido de patente
#3.1
04/06/1982
RPI 598
Anuidade - prazo legal encerrado
#18.2
09/25/1990
RPI 1034
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