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Official data from INPI

PROCESSO E APARELHO PARA LINGOTAMENTO CONTÍNUO DE METAIS A UM CORDÃO LINGOTADO EM UM SISTEMA DE VAZAMENTO FECHADO.

ConcedidaInvention Patent

Application data

Number

PI8104428

Type

Invention Patent

Filing

07/10/1981

Publication

03/30/1982

Progress at the INPI

  1. Filing07/10/81
  2. Publication03/30/82
  3. Examination06/29/82
  4. Allowance06/14/88
  5. Grant12/27/88
  6. Terminated02/04/92

The patent was granted on 12/27/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Concast AG.

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Inventors

H. W. (pessoa física)

R. T. (pessoa física)

Technical data

Priority claims

CH

5 347/80-2 · 07/11/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1988

RPI 949

Notificação para pagamento de retribuição

#13.1

10/04/1988

RPI 937

Deferimento

#9.1

06/14/1988

RPI 921

Exigência - art. 36 da LPI

#6.1

01/12/1988

RPI 899

14.4

07/29/1986

RPI 823

Exigência - art. 36 da LPI

#6.1

03/05/1985

RPI 750

Solicitação de exame técnico

#4.1

06/29/1982

RPI 610

Publicação do pedido de patente

#3.1

03/30/1982

RPI 597

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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