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Official data from INPI

DISPOSITIVO DE MONTAGEM DE UM ELETRODO COMPÓSITO DE AUTO-COZIMENTO PARA FORNO ELÉTRICO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9506075

Type

Invention Patent

Filing

12/22/1995

Publication

12/23/1997

Progress at the INPI

  1. Filing12/22/95
  2. Publication12/23/97
  3. Examination
  4. Allowance01/09/01
  5. Grant03/20/01
  6. Expired12/29/15

The letters patent expired on 12/29/2015: 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: 12/29/2015. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ferropem

FR

P. E. (pessoa física)

FR

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Inventors

M. S. (pessoa física)

FR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 22/12/2015

12/29/2015

RPI 2347

Alteração de nome deferida

#25.4

10/16/2012

RPI 2180

Concessão da patente

#16.1

03/20/2001

RPI 1576

Deferimento

#9.1

01/09/2001

RPI 1566

Publicação do pedido de patente

#3.1

12/23/1997

RPI 1409

Pedido de patente depositado

#2.1

01/23/1996

RPI 1312

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