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Official data from INPI

ESTRUTURA TUBULAR MULTI-ANGULAR

Arquivada/ExtintaUtility Model

Application data

Number

MU7102923

Type

Utility Model

Filing

04/12/1991

Publication

03/24/1992

Progress at the INPI

  1. Filing04/12/91
  2. Publication03/24/92
  3. Examination09/15/92
  4. Allowance08/04/98
  5. Grant12/29/98
  6. Expired08/26/08

The letters patent expired on 08/26/2008: 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: 08/26/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Jahu Indústria e Comércio Ltda

RJ, BR

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Inventors

A. J. (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 12/04/2006

08/26/2008

RPI 1964

Concessão da patente

#16.1

12/29/1998

RPI 1460

Deferimento

#9.1

08/04/1998

RPI 1441

15.10

Alterada a natureza do pedido para MU 7102923-0

06/23/1998

RPI 1435

Conhecimento de parecer técnico

#7.1

11/05/1996

RPI 1353

Solicitação de exame técnico

#4.1

09/15/1992

RPI 1137

Publicação antecipada

#3.2

03/24/1992

RPI 1112

Pedido de patente depositado

#2.1

11/26/1991

RPI 1095

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