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Official data from INPI

COMPOSIÇÃO DE METAL APROPRIADA PARA USO COMO UM ELÉTRODO INERTE NA PRODUÇÃO ELETROLÍTICA DE METAL E PROCESSO PARA TAL PRODUÇÃO ELETROLÍTICA .

Em ExigênciaInvention Patent
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Application data

Number

PI8107290

Type

Invention Patent

Filing

11/10/1981

Publication

08/03/1982
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Progress at the INPI

  1. Filing11/10/81
  2. Publication08/03/82
  3. Abandoned10/16/84
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/01/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ALUMINUM COMPANY OF AMERICA

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Inventors

R. P. (pessoa física)

Technical data

IPC Classification

C25B 11/06

Priority claims

US

205.651 · 11/10/1980

US

205.652 · 11/10/1980

US

205.653 · 11/10/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

11/01/1988

RPI 941

Exigência - art. 36 da LPI

#6.1

09/08/1987

RPI 881

Conhecimento de parecer técnico

#7.1

10/29/1986

RPI 836

Solicitação de exame técnico

#4.1

10/16/1984

RPI 730

Publicação do pedido de patente

#3.1

08/03/1982

RPI 615

Pedido de patente depositado

#2.1

12/22/1981

RPI 583

Arquivamento - Art. 36 §1° da LPI

#11.2

04/16/1991

RPI 1063

Exigência - art. 36 da LPI

#6.1

07/31/1990

RPI 1026

Exigência - art. 36 da LPI

#6.1

01/16/1990

RPI 1002

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