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Official data from INPI

PROCESSO DE CONDICIONAMENTO DE FINOS DE CARVÃO VEGETAL PARA SUBSEQUENTE AGLOMERAÇÃO MECÂNICA.

Em AnáliseInvention Patent

Application data

Number

PI8403174

Type

Invention Patent

Filing

06/26/1984

Publication

02/04/1986

Progress at the INPI

Under appeal
  1. Filing06/26/84
  2. Publication02/04/86
  3. Examination07/19/88
  4. Refused03/06/90
  5. Grant
  6. In force

The application was refused by the INPI on 03/06/1990. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 07/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Instituto de Pesquisas Tecnológicas do Estado de São Paulo

SP, BR

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Inventors

H. S. (pessoa física)

BR

T. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

07/04/1989

RPI 976

Solicitação de exame técnico

#4.1

07/19/1988

RPI 926

Solicitação de exame não realizada

#4.2

04/19/1988

RPI 913

Publicação do pedido de patente

#3.1

02/04/1986

RPI 798

Pedido de patente depositado

#2.1

09/04/1984

RPI 724

Indeferimento

#9.2

03/06/1990

RPI 1008

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