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Official data from INPI

PROCESSO PARA REFINAR OURO.

Em AnáliseInvention Patent
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Application data

Number

PI8400357

Type

Invention Patent

Filing

01/27/1984

Publication

09/03/1985
View on INPI

Progress at the INPI

  1. Filing01/27/84
  2. Publication09/03/85
  3. Examination12/23/86
  4. Allowance
  5. Grant
  6. In force

Published on 09/03/1985, 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: 06/06/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Asaka Riken Kogyo Co. Ltd

Inventors

N. T. (pessoa física)

Y. K. (pessoa física)

Technical data

IPC Classification

C22B 11/00C22B 3/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

06/06/1989

RPI 972

Solicitação de exame técnico

#4.1

12/23/1986

RPI 844

Publicação do pedido de patente

#3.1

09/03/1985

RPI 776

Pedido de patente depositado

#2.1

04/10/1984

RPI 703

Republicação - classificação IPC

#15.11

Alterada a classificação de C22B 3/00 e C22B 11/00 para C22B 11/00 e C22B 3/00.

09/12/2017

RPI 2436

Republicação - classificação IPC

#15.11

12/29/2009

RPI 2034

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