Anuidade - prazo legal encerrado
#18.2
07/12/1988
RPI 925
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Official data from INPI
PROCESSO DE TRATAMENTO TERMOLITICO DE SOLIDOS EM PARTICULAS
Em AnáliseInvention Patent
Application data
Number
PI8206211Type
Invention Patent
Filing
12/30/1981
Publication
09/20/1983
Progress at the INPI
- Filing12/30/81
- Publication09/20/83
- Examination12/20/83
- Allowance07/09/85
- Grant03/25/86
- Terminated07/12/88
The patent was granted on 03/25/1986 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: 07/12/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
MARATHON OIL CO [US]
Inventors
M. J. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
03/25/1986
RPI 805
Notificação para pagamento de retribuição
#13.1
11/12/1985
RPI 786
Deferimento
#9.1
07/09/1985
RPI 768
Republicação - classificação IPC
#15.11
06/18/1985
RPI 765
Solicitação de exame técnico
#4.1
12/20/1983
RPI 687
Publicação do pedido de patente
#3.1
09/20/1983
RPI 674
Pedido de patente depositado
#2.1
12/14/1982
RPI 634
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