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Official data from INPI

PROCESSO PARA CALCINAÇÃO DE COQUE VERDE CONTENDO MATÉRIA VOLÁTIL COMBUSTÍVEL

Em AnáliseInvention Patent

Application data

Number

PI8501688

Type

Invention Patent

Filing

04/10/1985

Publication

12/10/1985

Progress at the INPI

  1. Filing04/10/85
  2. Publication12/10/85
  3. Examination12/08/87
  4. Allowance
  5. Grant
  6. In force

Published on 12/10/1985, 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: 04/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SHELL INT RESEARCH [NL]

Inventors

A. B. (pessoa física)

D. S. (pessoa física)

G. A. (pessoa física)

L. I. (pessoa física)

Pessoa física

Technical data

IPC Classification

Priority claims

GB

8409402 · 04/11/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

04/19/1988

RPI 913

Solicitação de exame técnico

#4.1

12/08/1987

RPI 894

Publicação do pedido de patente

#3.1

12/10/1985

RPI 790

Pedido de patente depositado

#2.1

06/25/1985

RPI 766

101

04/23/1991

RPI 1064

Recurso

#12.1

01/08/1991

RPI 1049

Deferimento

#9.1

10/02/1990

RPI 1035

Conhecimento de parecer técnico

#7.1

01/23/1990

RPI 1003

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