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Official data from INPI

LUVA DE EMENDA PARA TUBO CORRUGADO

Arquivada/ExtintaUtility Model

Application data

Number

MU7000099

Type

Utility Model

Filing

01/18/1990

Publication

08/13/1991

Progress at the INPI

  1. Filing01/18/90
  2. Publication08/13/91
  3. Examination10/29/91
  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

E. S. (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 18/01/2000

07/01/2008

RPI 1956

Transferência deferida

#25.1

Transferido (por incorporação) de: Tubos & Conexões Tigre Ltda

03/30/1999

RPI 1473

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

10/29/1991

RPI 1091

Publicação do pedido de patente

#3.1

08/13/1991

RPI 1080

Pedido de patente depositado

#2.1

06/05/1990

RPI 1021

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