Concessão da patente
#16.1
02/28/1989
RPI 958
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Official data from INPI
PROCESSO PARA O TRATAMENTO DE UMA CARGA DE ÓLEO HIDROCARBONETO
ConcedidaInvention Patent
Application data
Number
PI8202229Type
Invention Patent
Filing
04/19/1982
Publication
03/29/1983
Progress at the INPI
- Filing04/19/82
- Publication03/29/83
- Examination06/04/85
- Allowance06/14/88
- Grant02/28/89
- Terminated11/15/94
The patent was granted on 02/28/1989 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: 02/28/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Ashland Oil, Inc.,
US
Inventors
J. C. (pessoa física)
US
W. W. (pessoa física)
US
W. J. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
10/04/1988
RPI 937
Deferimento
#9.1
06/14/1988
RPI 921
Exigência - art. 36 da LPI
#6.1
04/22/1987
RPI 861
Republicação - classificação IPC
#15.11
03/24/1987
RPI 857
Conhecimento de parecer técnico
#7.1
03/11/1986
RPI 803
Solicitação de exame técnico
#4.1
06/04/1985
RPI 763
Publicação do pedido de patente
#3.1
03/29/1983
RPI 649
Pedido de patente depositado
#2.1
06/08/1982
RPI 607
Anuidade - prazo legal encerrado
#18.2
11/15/1994
RPI 1250
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