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Official data from INPI

PROCESSO PARA FABRICAÇÃO DE ELETRODOS A PARTIR DE CARBONO E DISPOSITIVO PARA FABRICAÇÃO DE ELETRODOS

Prazo de SigiloInvention Patent
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Application data

Number

PI8903113

Type

Invention Patent

Filing

06/26/1989

Publication

02/06/1990
View on INPI

Progress at the INPI

  1. Filing06/26/89
  2. Publication02/06/90
  3. Examination11/19/91
  4. Allowance
  5. Grant
  6. In force

Published on 02/06/1990, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. F. (pessoa física)

DE

U. C. (pessoa física)

US

Inventors

H. F. (pessoa física)

DE

Technical data

IPC Classification

C25B 11/12C25C 3/12

Priority claims

DE

P 38 21 596.9 · 06/27/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

08/22/1989

RPI 983

Retificação

#15.3

10/03/1995

RPI 1296

4.1.2

02/04/1992

RPI 1105

Solicitação de exame técnico

#4.1

11/19/1991

RPI 1094

14.1

04/16/1991

RPI 1063

14.1

04/09/1991

RPI 1062

Publicação do pedido de patente

#3.1

02/06/1990

RPI 1005

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