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Official data from INPI

PROCESSO PARA A PARTIDA DE UM PROCESSO DE REDUÇÃO DE MINÉRIO DE FERRO EM LEITO MÓVEL; E PROCESSO PARA A PARTIDA DE UM PROCESSO DE LEITO MÓVEL DE REDUÇÃO DIRETA DE MINÉRIO DE FERRO

Prazo de SigiloInvention Patent

Application data

Number

PI8902125

Type

Invention Patent

Filing

05/08/1989

Publication

09/04/1990

Progress at the INPI

  1. Filing05/08/89
  2. Publication09/04/90
  3. Examination02/02/93
  4. Allowance
  5. Grant
  6. In force

Published on 09/04/1990, 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: 06/27/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Hylsa, S A de C V

MX

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Inventors

E. M. (pessoa física)

J. B. (pessoa física)

MX

Technical data

IPC Classification

Priority claims

US

191.702 · 05/09/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

06/27/1989

RPI 975

Retificação

#15.3

08/29/1995

RPI 1291

4.1.2

04/06/1993

RPI 1166

Solicitação de exame técnico

#4.1

02/02/1993

RPI 1157

Publicação do pedido de patente

#3.1

09/04/1990

RPI 1031

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