Anuidade - prazo legal encerrado
#18.2
07/12/1988
RPI 925
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Official data from INPI
PROCESSO PARA A SEPARACAO DE CLORETO DE ALUMINIO
Em AnáliseInvention Patent
Progress at the INPI
- Filing01/20/78
- Publication
- Examination
- Allowance11/23/82
- Grant05/31/83
- Terminated07/12/88
The patent was granted on 05/31/1983 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
DU PONT
Inventors
G. H. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
05/31/1983
RPI 658
Notificação para pagamento de retribuição
#13.1
04/05/1983
RPI 650
Deferimento
#9.1
11/23/1982
RPI 631
Exigência - art. 36 da LPI
#6.1
03/30/1982
RPI 597
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