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Official data from INPI

SISTEMA DE CONTROLE DO RESFRIAMENTO SECUNDÁRIO NO LINGOTAMENTO CONTÍNUO.

ConcedidaInvention Patent

Application data

Number

PI8006789

Type

Invention Patent

Filing

10/22/1980

Publication

06/29/1982

Progress at the INPI

  1. Filing10/22/80
  2. Publication06/29/82
  3. Examination11/22/83
  4. Allowance12/17/85
  5. Grant07/29/86
  6. Expired11/14/95

The letters patent expired on 11/14/1995: 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: 07/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. N. (pessoa física)

RJ, BR

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Inventors

D. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/29/1986

RPI 823

Notificação para pagamento de retribuição

#13.1

04/22/1986

RPI 809

Deferimento

#9.1

12/17/1985

RPI 791

Exigência - art. 36 da LPI

#6.1

03/05/1985

RPI 750

Solicitação de exame técnico

#4.1

11/22/1983

RPI 683

Publicação do pedido de patente

#3.1

06/29/1982

RPI 610

Carta-patente expirada

#21.1

11/14/1995

RPI 1302

Cessão de direito de exploração

#22.1

05/01/1990

RPI 1016

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