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Official data from INPI

MATERIAIS REFRATÁRIOS DE ZIRCÔNIA FUNDIDA E PROCESSO PARA A PRODUÇÃO DOS MESMOS

Em AnáliseInvention Patent

Application data

Number

PI9102383

Type

Invention Patent

Filing

06/07/1991

Publication

04/28/1992

Progress at the INPI

  1. Filing06/07/91
  2. Publication04/28/92
  3. Examination11/10/92
  4. Allowance
  5. Grant
  6. In force

Published on 04/28/1992, 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: 01/28/1997. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Japan Abrasive Co., Ltd

JP

Inventors

H. Y. (pessoa física)

JP

K. T. (pessoa física)

JP

M. T. (pessoa física)

JP

Y. O. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

2-149672 · 06/07/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

01/28/1997

RPI 1365

Solicitação de exame técnico

#4.1

11/10/1992

RPI 1145

Publicação do pedido de patente

#3.1

04/28/1992

RPI 1117

Pedido de patente depositado

#2.1

11/12/1991

RPI 1093

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