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Official data from INPI

DISPOSITIVO CONJUGADO PARA ALIMENTAÇÃO E RETORNO DE LÍQUIDO

Arquivada/ExtintaUtility Model

Application data

Number

MU6901662

Type

Utility Model

Filing

08/23/1989

Publication

09/18/1990

Progress at the INPI

  1. Filing08/23/89
  2. Publication09/18/90
  3. Examination03/31/92
  4. Allowance05/03/94
  5. Grant01/31/95
  6. Expired07/01/08

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

Applicants and inventors

Applicants

Metalúrgica Norpi Ltda.

SP, BR

Inventors

S. P. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 23/08/1999

07/01/2008

RPI 1956

201

12/17/1996

RPI 1359

Pedido de licença voluntária

#17.1

02/21/1996

RPI 1316

Concessão da patente

#16.1

01/31/1995

RPI 1261

Notificação para pagamento de retribuição

#13.1

08/30/1994

RPI 1239

Deferimento

#9.1

05/03/1994

RPI 1222

Solicitação de exame técnico

#4.1

03/31/1992

RPI 1113

Publicação antecipada

#3.2

09/18/1990

RPI 1033

Pedido de patente depositado

#2.1

01/02/1990

RPI 1000

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