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Official data from INPI

PROCESSO E DISPOSITIVO DE COLOCAÇÃO EM VIBRAÇÃO DA PAREDE DE UMA LINGOTEIRA DE FUNDIÇÃO CONTÍNUA DOS METAIS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9002745

Type

Invention Patent

Filing

06/11/1990

Publication

08/20/1991

Progress at the INPI

  1. Filing06/11/90
  2. Publication08/20/91
  3. Examination08/03/93
  4. Allowance09/09/97
  5. Grant07/28/98
  6. Expired01/15/13

The letters patent expired on 01/15/2013: 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: 01/15/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Institut de Recherches de La Sidérurgie Française - IRSID

FR

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Inventors

M. N. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

89 07 839 · 06/12/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 11/06/2010

01/15/2013

RPI 2193

Concessão da patente

#16.1

07/28/1998

RPI 1440

Deferimento

#9.1

09/09/1997

RPI 1397

6.2

03/12/1996

RPI 1319

Solicitação de exame técnico

#4.1

08/03/1993

RPI 1183

Publicação do pedido de patente

#3.1

08/20/1991

RPI 1081

Pedido de patente depositado

#2.1

10/16/1990

RPI 1037

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