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Official data from INPI

PENEIRA DINÂMICA PARA SEPARAÇÃO DE PARTÍCULAS EM LÍQUIDOS

PublicadaInvention Patent

Application data

Number

PI8800882

Type

Invention Patent

Filing

02/25/1988

Publication

09/26/1989

Progress at the INPI

  1. Filing02/25/88
  2. Publication09/26/89
  3. Examination08/07/90
  4. Allowance06/21/94
  5. Grant03/28/95
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Klabin Riocell S.A.

RS, BR

Riocell S.A.

RS, BR

Inventors

S. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/26/1989

RPI 988

Pedido de patente depositado

#2.1

06/28/1988

RPI 923

Carta-patente expirada

#21.1

Patente extinta em 25/02/2003

09/02/2008

RPI 1965

Alteração de nome deferida

#25.4

Alterado de: Riocell S.A.

06/26/2001

RPI 1590

Concessão da patente

#16.1

03/28/1995

RPI 1269

Notificação para pagamento de retribuição

#13.1

10/25/1994

RPI 1247

Deferimento

#9.1

06/21/1994

RPI 1229

Exigência - art. 36 da LPI

#6.1

10/13/1993

RPI 1193

Solicitação de exame técnico

#4.1

08/07/1990

RPI 1027

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