Pedido de licença compulsória
#20.1
06/17/1986
RPI 817
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Official data from INPI
PROCESSO DE OBTENCAO DE COQUE,OLEOS E GRAXA E RECUPERACAO DE ACIDO SULFURICO A PARTIR DO RESIDUO ACIDO DE RE-REFINO DE OLEOS LUBRIFICANTES
Em AnáliseInvention Patent
Progress at the INPI
- Filing03/24/77
- Publication
- Examination
- Allowance01/15/85
- Grant07/30/85
- Terminated01/21/92
The patent was granted on 07/30/1985 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: 06/17/1986. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
D. P. (pessoa física)
Inventors
V. A. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
20.3
02/18/1986
RPI 800
Concessão da patente
#16.1
07/30/1985
RPI 771
Notificação para pagamento de retribuição
#13.1
05/07/1985
RPI 759
Deferimento
#9.1
01/15/1985
RPI 743
Exigência - art. 36 da LPI
#6.1
03/07/1984
RPI 698
Conhecimento de parecer técnico
#7.1
10/06/1981
RPI 572
Anuidade - prazo legal encerrado
#18.2
01/21/1992
RPI 1103
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