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Official data from INPI

DISPOSIÇÃO CONSTRUTIVA EM TERMOVÁLVULA

Arquivada/ExtintaUtility Model

Application data

Number

MU7000288

Type

Utility Model

Filing

02/14/1990

Publication

10/01/1991

Progress at the INPI

  1. Filing02/14/90
  2. Publication10/01/91
  3. Examination12/03/91
  4. Allowance12/14/93
  5. Grant10/25/94
  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.

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Latest action published by the INPI: 07/01/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Tigre S/A - Tubos e Conexões

BR

Tubos e Conexões Tigre Ltda

SC, BR

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Inventors

D. C. (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 14/02/2000

07/01/2008

RPI 1956

Transferência deferida

#25.1

Transferido Por, Incorporação de: Tubos e Conexões Tigre LTDA.

06/01/1999

RPI 1482

Concessão da patente

#16.1

10/25/1994

RPI 1247

Notificação para pagamento de retribuição

#13.1

05/03/1994

RPI 1222

Deferimento

#9.1

12/14/1993

RPI 1202

Solicitação de exame técnico

#4.1

12/03/1991

RPI 1096

Publicação do pedido de patente

#3.1

10/01/1991

RPI 1087

Pedido de patente depositado

#2.1

07/24/1990

RPI 1025

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