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Official data from INPI

PROCESSO DE RESFRIAMENTO DE UM PRODUTO METÁLICO E INSTALAÇÃO DE FUNDIÇÃO CONTÍNUA DE PRODUTOS METÁLICOS

Prazo de SigiloInvention Patent

Application data

Number

PI8902241

Type

Invention Patent

Filing

05/12/1989

Publication

01/09/1990

Progress at the INPI

  1. Filing05/12/89
  2. Publication01/09/90
  3. Examination09/17/91
  4. Allowance09/17/96
  5. Grant08/26/97
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 07/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Institut de Recherches de La Siderurgie Française - IRSID

FR

Institut de Recherches de La Sidérurgie Française - IRSID

FR

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Inventors

J. J. (pessoa física)

FR

M. B. (pessoa física)

FR

M. M. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

88.06743 · 05/13/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/04/1989

RPI 976

Carta-patente expirada

#21.1

Patente extinta em 12/05/2009

05/21/2013

RPI 2211

Concessão da patente

#16.1

08/26/1997

RPI 1395

Deferimento

#9.1

09/17/1996

RPI 1346

Exigência - art. 36 da LPI

#6.1

01/30/1996

RPI 1313

Solicitação de exame técnico

#4.1

09/17/1991

RPI 1085

Publicação do pedido de patente

#3.1

01/09/1990

RPI 1001

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