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Official data from INPI

MICROSFERA CALCINADA, PROCESSO PARA SUA FABRICAÇÃO E MATERIAL COMPÓSITO

Em AnáliseInvention Patent

Application data

Number

PI9006590

Type

Invention Patent

Filing

12/26/1990

Publication

10/01/1991

Progress at the INPI

  1. Filing12/26/90
  2. Publication10/01/91
  3. Examination09/28/93
  4. Allowance
  5. Grant
  6. In force

Published on 10/01/1991, 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

Comalco Aluminium Limited

AU

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Inventors

C. H. (pessoa física)

K. X. (pessoa física)

L. E. (pessoa física)

M. C. (pessoa física)

R. S. (pessoa física)

T. S. (pessoa física)

AU

Technical data

IPC Classification

Priority claims

AU

PJ8009 · 12/22/1989

AU

PK0045 · 05/09/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

01/28/1997

RPI 1365

Solicitação de exame técnico

#4.1

09/28/1993

RPI 1191

Publicação do pedido de patente

#3.1

10/01/1991

RPI 1087

Pedido de patente depositado

#2.1

06/11/1991

RPI 1071

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