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Official data from INPI

PROCESSO PARA CONTROLE DE UM PROCESSO DE REDUCAO DIRETA DE MINERIO DE FERRO PELO METODO DE LEITO DE CARVAO FLUIDIZADO

IndeferidaInvention Patent

Application data

Number

PI8000155

Type

Invention Patent

Filing

01/10/1980

Publication

-

Progress at the INPI

Under appeal
  1. Filing01/10/80
  2. Publication
  3. Examination10/20/81
  4. Refused12/04/84
  5. Grant
  6. In force

The application was refused by the INPI on 12/04/1984. The invention was never patented.

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Latest action published by the INPI: 12/04/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. I. (pessoa física)

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

12/04/1984

RPI 737

Exigência - art. 36 da LPI

#6.1

01/03/1984

RPI 689

Solicitação de exame técnico

#4.1

10/20/1981

RPI 574

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