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Official data from INPI

Aparelho para fluidizar, degasificar e bombear uma suspensão de material celulósico fibroso

Arquivada/ExtintaInvention Patent

Application data

Number

PI9001425

Type

Invention Patent

Filing

03/28/1990

Publication

04/09/1991

Progress at the INPI

  1. Filing03/28/90
  2. Publication04/09/91
  3. Examination06/22/93
  4. Allowance08/05/97
  5. Grant07/28/98
  6. Expired01/08/13

The letters patent expired on 01/08/2013: 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: 01/08/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kamyr AB

SE

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Inventors

R. H. (pessoa física)

SE

U. J. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

8901082-1 · 03/29/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 28/03/2010

01/08/2013

RPI 2192

Concessão da patente

#16.1

07/28/1998

RPI 1440

Deferimento

#9.1

08/05/1997

RPI 1392

Exigência - art. 36 da LPI

#6.1

09/03/1996

RPI 1344

Solicitação de exame técnico

#4.1

06/22/1993

RPI 1177

Publicação do pedido de patente

#3.1

04/09/1991

RPI 1062

Pedido de patente depositado

#2.1

08/07/1990

RPI 1027

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