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Official data from INPI

PROCESSO PARA O TRATAMENTO DAS ESCÓRIAS GRANULADAS ORIUNDAS DE ALTOS FORNOS E INSTALAÇÃO PARA SUA EXECUÇÃO

Em AnáliseInvention PatentPCT · FR1989000148

Application data

Number

PI8906642

Type

Invention Patent

Filing

03/30/1989

Publication

02/05/1991

PCT

FR1989000148

Progress at the INPI

  1. Filing03/30/89
  2. Publication02/05/91
  3. Examination08/13/91
  4. Allowance
  5. Grant
  6. In force

Published on 02/05/1991, 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: 11/21/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. H. (pessoa física)

FR

Inventors

M. A. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

88/04648 · 04/05/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

11/21/1995

RPI 1303

Solicitação de exame técnico

#4.1

08/13/1991

RPI 1080

Notificação de entrada na fase nacional - PCT

#1.3

02/05/1991

RPI 1053

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