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Official data from INPI

PROCESSO PARA LAVAGEM DE CELULOSE.

Em AnáliseInvention Patent

Application data

Number

PI8304205

Type

Invention Patent

Filing

08/05/1983

Publication

03/13/1984

Progress at the INPI

Under appeal
  1. Filing08/05/83
  2. Publication03/13/84
  3. Examination06/03/86
  4. Refused01/09/90
  5. Grant
  6. In force

The application was refused by the INPI on 01/09/1990. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 07/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Enso-Gutzeit Oy,

FI

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Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

FI

822736 · 08/06/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

07/19/1988

RPI 926

6.2

09/22/1987

RPI 883

Solicitação de exame técnico

#4.1

06/03/1986

RPI 815

Publicação do pedido de patente

#3.1

03/13/1984

RPI 699

Pedido de patente depositado

#2.1

10/18/1983

RPI 678

Indeferimento

#9.2

01/09/1990

RPI 1001

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