Official data from INPI

APERFEICOAMENTO EM UM TANQUE DE REDUCAO ELETROLITICA PARA A REDUCAO DE ALUMINA E APERFEICOAMENTO EM UM CONJUNTO CATODICO MODULAR

ArquivadaInvention Patent

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Application data

Number

PI8100853

Type

Invention Patent

Filing

06/23/1980

Publication

01/12/1982

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Progress at the INPI

Filing06/23/80
Publication01/12/82
Abandoned
Allowance
Grant
In force

The application was abandoned: examination was not requested within the 36 months following the 06/23/1980 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 01/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KAISER ALUMINIUM CHEM CORP

Inventors

G. W. (pessoa física)

P. J. (pessoa física)

Technical data

IPC Classification

C25C 3/08

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

01/29/1985

RPI 745

Republicação - classificação IPC

#15.11

09/04/1984

RPI 724

Publicação do pedido de patente

#3.1

01/12/1982

RPI 586

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