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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE POLPA KRAFT

Arquivada/ExtintaInvention PatentPCT · FI1991000043

Application data

Number

PI9104333

Type

Invention Patent

Filing

02/11/1991

Publication

04/21/1992

PCT

FI1991000043

Progress at the INPI

  1. Filing02/11/91
  2. Publication04/21/92
  3. Examination11/16/93
  4. Allowance08/24/99
  5. Grant02/22/00
  6. Expired06/11/13

The letters patent expired on 06/11/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/11/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sunds Defibrator Rauma Oy.

FI

Inventors

P. T. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

FI

90 0663 · 02/09/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 11/02/2011

06/11/2013

RPI 2214

Concessão da patente

#16.1

02/22/2000

RPI 1520

Deferimento

#9.1

08/24/1999

RPI 1494

Exigência - art. 36 da LPI

#6.1

12/08/1998

RPI 1457

Solicitação de exame técnico

#4.1

11/16/1993

RPI 1198

Notificação de entrada na fase nacional - PCT

#1.3

04/21/1992

RPI 1116

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