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Official data from INPI

SISTEMA DE SEPARAÇÃO DE FLUIDO, CÁPSULA SEPARÁVEL E UNIDADE ACIONAMENTO DE CONTROLE

Prazo de SigiloInvention Patent

Application data

Number

PI8806649

Type

Invention Patent

Filing

12/12/1988

Publication

07/31/1990

Progress at the INPI

  1. Filing12/12/88
  2. Publication07/31/90
  3. Examination10/27/92
  4. Allowance05/14/96
  5. Grant04/29/97
  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: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. M. (pessoa física)

SP, BR

J. M. (pessoa física)

SP, BR

Inventors

J. M. (pessoa física)

BR

J. M. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

04/25/1989

RPI 966

Carta-patente expirada

#21.1

Patente extinta em 12/12/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

04/29/1997

RPI 1378

Deferimento

#9.1

05/14/1996

RPI 1328

4.1.2

02/09/1993

RPI 1158

Solicitação de exame técnico

#4.1

10/27/1992

RPI 1143

Publicação do pedido de patente

#3.1

07/31/1990

RPI 1026

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