Anuidade - prazo legal encerrado
#18.2
07/12/1988
RPI 925
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Official data from INPI
PROCESSO PARA O REREFINO DE ÓLEO USADO CONTENDO ÓLEO LUBRIFICANTE.
Em AnáliseInvention Patent
Application data
Number
PI8106881Type
Invention Patent
Filing
10/26/1981
Publication
07/13/1982
Progress at the INPI
- Filing10/26/81
- Publication07/13/82
- Examination07/24/84
- Allowance03/11/86
- Grant09/30/86
- Terminated07/12/88
The patent was granted on 09/30/1986 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
Delta Central Refining, Inc
Inventors
F. C. (pessoa física)
O. H. (pessoa física)
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
09/30/1986
RPI 832
Notificação para pagamento de retribuição
#13.1
07/01/1986
RPI 819
Deferimento
#9.1
03/11/1986
RPI 803
Exigência - art. 36 da LPI
#6.1
03/19/1985
RPI 752
Solicitação de exame técnico
#4.1
07/24/1984
RPI 718
Publicação do pedido de patente
#3.1
07/13/1982
RPI 612
Pedido de patente depositado
#2.1
12/08/1981
RPI 581
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