Retificação
#15.3
05/03/1988
RPI 915
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Official data from INPI
CELULAS ELETROLITICAS PARA A PRODUCAO DE ALUMINIO EM UM ARRANJO LADO A LADO
DeferidaInvention Patent
Application data
Number
PI8302209Type
Invention Patent
Filing
04/30/1982
Publication
01/03/1984
Progress at the INPI
Awaiting grant fee payment- Filing04/30/82
- Publication01/03/84
- Examination09/25/84
- Allowance09/01/87
- Grant
- In force
The application was allowed by the INPI on 09/01/1987. The grant of the letters patent is being processed.
Latest action published by the INPI: 05/03/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
SUMITOMO ALUMINIUM SMELTING CO [JP]
Inventors
K. S. (pessoa física)
U. Y. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Deferimento
#9.1
09/01/1987
RPI 880
Exigência - art. 36 da LPI
#6.1
05/14/1985
RPI 760
Solicitação de exame técnico
#4.1
09/25/1984
RPI 727
Publicação do pedido de patente
#3.1
01/03/1984
RPI 689
Pedido de patente depositado
#2.1
06/14/1983
RPI 660
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