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Official data from INPI

PROCESSO DE EQUIPAMENTO PARA AGITAÇÃO DE BANHO METÁLICO POR SOPRO SUBMERSO EM FORNO ELÉTRICO DE AÇO (F E A )

Prazo de SigiloInvention Patent

Application data

Number

PI8804271

Type

Invention Patent

Filing

08/15/1988

Publication

04/10/1990

Progress at the INPI

  1. Filing08/15/88
  2. Publication04/10/90
  3. Examination05/19/92
  4. Allowance
  5. Grant
  6. In force

Published on 04/10/1990, 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: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Instituto de Pesquisas Tecnológicas do Estado de São Paulo

SP, BR

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Inventors

M. J. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

01/10/1989

RPI 951

Retificação

#15.3

11/01/1994

RPI 1248

Solicitação de exame técnico

#4.1

05/19/1992

RPI 1120

Publicação do pedido de patente

#3.1

04/10/1990

RPI 1013

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