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Official data from INPI

PROCESSO E REATOR PARA A PRODUCAO DE GAS DE SINTESE DE COMBUSTIVEIS SOLIDOS

Em AnáliseInvention Patent

Application data

Number

PI8604177

Type

Invention Patent

Filing

09/02/1985

Publication

04/28/1987

Progress at the INPI

  1. Filing09/02/85
  2. Publication04/28/87
  3. Examination08/11/87
  4. Allowance
  5. Grant
  6. In force

Published on 04/28/1987, 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: 08/11/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

RHEINISCHE BRAUNKOHLENW AG [DE]

Inventors

L. J. (pessoa física)

S. L. (pessoa física)

T. J. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/11/1987

RPI 877

Publicação do pedido de patente

#3.1

04/28/1987

RPI 862

Pedido de patente depositado

#2.1

03/17/1987

RPI 856

Retificação

#15.3

09/03/1991

RPI 1083

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