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Official data from INPI

REBARBADOR DE PLACAS DA MÁQUINAS DE LINGOTAMENTE CONTÍNUO.

ConcedidaInvention Patent

Application data

Number

PI8101698

Type

Invention Patent

Filing

03/23/1981

Publication

11/03/1982

Progress at the INPI

  1. Filing03/23/81
  2. Publication11/03/82
  3. Examination11/22/83
  4. Allowance07/09/85
  5. Grant03/25/86
  6. Terminated06/20/95

The patent was granted on 03/25/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 03/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderúrgica Nacional - CSN

RJ, BR

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Inventors

S. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/25/1986

RPI 805

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Exigência - art. 36 da LPI

#6.1

01/15/1985

RPI 743

Exigência - art. 36 da LPI

#6.1

07/10/1984

RPI 716

Solicitação de exame técnico

#4.1

11/22/1983

RPI 683

Publicação do pedido de patente

#3.1

11/03/1982

RPI 628

Anuidade - prazo legal encerrado

#18.2

06/20/1995

RPI 1281

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