Anuidade - prazo legal encerrado
#18.2
10/03/1989
RPI 989
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Official data from INPI
PROCESSO PARA A PREPARACAO DE UM COMPOSTO DE BORO-SILICIO DE FLUIDO HIDRAULICO
Em AnáliseInvention Patent
Progress at the INPI
- Filing04/14/78
- Publication
- Examination02/09/82
- Allowance05/07/85
- Grant11/26/85
- Terminated10/03/89
The patent was granted on 11/26/1985 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: 10/03/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
CASTROL LTD
Inventors
A. H. (pessoa física)
H. C. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
11/26/1985
RPI 788
Notificação para pagamento de retribuição
#13.1
08/27/1985
RPI 775
Deferimento
#9.1
05/07/1985
RPI 759
Exigência - art. 36 da LPI
#6.1
08/21/1984
RPI 722
Exigência - art. 36 da LPI
#6.1
01/24/1984
RPI 692
Exigência - art. 36 da LPI
#6.1
04/05/1983
RPI 650
6.2
08/10/1982
RPI 616
Solicitação de exame técnico
#4.1
02/09/1982
RPI 590
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