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Official data from INPI

APARELHO PARA DIVIDIR UMA SUSPENSÃO DE POLPA DE CELULOSE FIBROSA

PublicadaInvention Patent

Application data

Number

PI8803283

Type

Invention Patent

Filing

07/01/1988

Publication

01/17/1989

Progress at the INPI

  1. Filing07/01/88
  2. Publication01/17/89
  3. Examination12/26/90
  4. Allowance08/15/95
  5. Grant03/26/96
  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: 01/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. A. (pessoa física)

SE

See this company's full portfolio

Inventors

B. A. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

8702745-4 · 07/03/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/17/1989

RPI 952

Pedido de patente depositado

#2.1

12/06/1988

RPI 946

Carta-patente expirada

#21.1

Patente extinta em 01/07/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

03/26/1996

RPI 1321

Deferimento

#9.1

08/15/1995

RPI 1289

Exigência - art. 36 da LPI

#6.1

05/31/1994

RPI 1226

Solicitação de exame técnico

#4.1

12/26/1990

RPI 1047

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