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Official data from INPI

PROCESSO PARA OBTENCAO DE CARVAO COQUE DE FUNDICAO DE BAIXO TEOR DE CINZA A PARTIR DE CARVAO METALURGICO DE ALTO TEOR DE CINZA

PublicadaInvention Patent

Application data

Number

PI8303912

Type

Invention Patent

Filing

07/14/1983

Publication

03/05/1985

Progress at the INPI

  1. Filing07/14/83
  2. Publication03/05/85
  3. Examination
  4. Allowance
  5. Grant
  6. In force

The application was published in the RPI gazette on 03/05/1985 and is now open to any interested party. It moves on to technical examination at the INPI.

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Latest action published by the INPI: 07/21/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. P. (pessoa física)

Inventors

P. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

07/21/1987

RPI 874

Publicação do pedido de patente

#3.1

03/05/1985

RPI 750

Pedido de patente depositado

#2.1

09/27/1983

RPI 675

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