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Official data from INPI

COMPOSICAO DE TRATAMENTO PARA MASSAS FUNDIDAS DE FERRO,PROCESSO PARA SUA PREPARACAO E APLICACAO

Em AnáliseInvention Patent

Application data

Number

PI8403262

Type

Invention Patent

Filing

07/06/1983

Publication

06/11/1985

Progress at the INPI

  1. Filing07/06/83
  2. Publication06/11/85
  3. Examination10/29/85
  4. Allowance
  5. Grant
  6. In force

Published on 06/11/1985, 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: 09/22/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

METALLGESELLSCHAFT AG [DE]

SUEDDEUTSCHE KALKSTICKSTOFF [DE]

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Inventors

G. W. (pessoa física)

K. H. (pessoa física)

R. J. (pessoa física)

W. A. (pessoa física)

W. F. (pessoa física)

Pessoa física

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

09/22/1987

RPI 883

Solicitação de exame técnico

#4.1

10/29/1985

RPI 784

Publicação do pedido de patente

#3.1

06/11/1985

RPI 764

Pedido de patente depositado

#2.1

09/04/1984

RPI 724

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