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Official data from INPI

AGLOMERAÇÃO DOS FINOS DE CARVÕES COQUEIFICÁVEIS COM RESÍDUOS ALCATROADOS PARA UTILIZAÇÃO NAS BATERIAS DE FORNOS DE COQUE.

Em AnáliseInvention Patent

Application data

Number

PI8602307

Type

Invention Patent

Filing

05/13/1986

Publication

01/13/1987

Progress at the INPI

Under appeal
  1. Filing05/13/86
  2. Publication01/13/87
  3. Examination06/30/87
  4. Refused02/09/93
  5. Grant
  6. In force

The application was refused by the INPI on 02/09/1993. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Aço Minas Gerais S/A - Açominas

MG, BR

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Inventors

J. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/30/1987

RPI 871

Publicação antecipada

#3.2

01/13/1987

RPI 847

Pedido de patente depositado

#2.1

11/18/1986

RPI 839

Indeferimento

#9.2

02/09/1993

RPI 1158

Conhecimento de parecer técnico

#7.1

08/13/1991

RPI 1080

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