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Official data from INPI

PROCESSO DE RESFRIAMENTO DE LINGOTE DE CHAPAS GROSSAS EM DESLOCAMENTO DURANTE A LAMINAÇÃO, E MÁQUINA PARA SUA REALIZAÇÃO

ConcedidaInvention Patent

Application data

Number

PI8203623

Type

Invention Patent

Filing

06/21/1982

Publication

06/14/1983

Progress at the INPI

  1. Filing06/21/82
  2. Publication06/14/83
  3. Examination01/24/84
  4. Allowance10/27/87
  5. Grant05/31/88
  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.

Talk to a specialist

Latest action published by the INPI: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Union Siderurgique Du Nord Et de L'est de La France (USINOR)

FR

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Inventors

C. R. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

81 12 133 · 06/19/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

10/27/1987

RPI 888

Exigência - art. 36 da LPI

#6.1

02/24/1987

RPI 853

Exigência - art. 36 da LPI

#6.1

12/04/1984

RPI 737

Solicitação de exame técnico

#4.1

01/24/1984

RPI 692

Publicação do pedido de patente

#3.1

06/14/1983

RPI 660

Pedido de patente depositado

#2.1

08/03/1982

RPI 615

Carta-patente expirada

#21.1

Patente extinta em 21/06/97

07/01/2008

RPI 1956

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