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Official data from INPI

DISPOSITIVO PARA PENEIRAR UMA POLPA

Em AnáliseInvention Patent

Application data

Number

PI8602785

Type

Invention Patent

Filing

06/13/1986

Publication

02/10/1987

Progress at the INPI

  1. Filing06/13/86
  2. Publication02/10/87
  3. Examination01/10/89
  4. Allowance04/30/91
  5. Grant11/26/91
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kamyr Aktiebolag, companhia sueca

SE

Inventors

B. A. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

85.03003-9 · 06/18/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/10/1989

RPI 951

Publicação do pedido de patente

#3.1

02/10/1987

RPI 851

Pedido de patente depositado

#2.1

12/16/1986

RPI 843

Carta-patente expirada

#21.1

Patente extinta em 13/06/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

08/13/1991

RPI 1080

Deferimento

#9.1

04/30/1991

RPI 1065

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