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Official data from INPI

DISPOSITIVO PARA USINAGEM DE BOCAL DE LANÇA DE OXIGÊNIO

ConcedidaInvention Patent

Application data

Number

PI8401880

Type

Invention Patent

Filing

04/24/1984

Publication

11/26/1985

Progress at the INPI

  1. Filing04/24/84
  2. Publication11/26/85
  3. Examination08/12/86
  4. Allowance12/29/87
  5. Grant09/27/88
  6. Terminated06/06/95

The patent was granted on 09/27/1988 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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderúrgica Paulista - COSIPA

SP, BR

See this company's full portfolio

Inventors

J. M. (pessoa física)

BR

J. C. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Solicitação de exame técnico

#4.1

08/12/1986

RPI 825

Publicação do pedido de patente

#3.1

11/26/1985

RPI 788

Pedido de patente depositado

#2.1

07/03/1984

RPI 715

Anuidade - prazo legal encerrado

#18.2

06/06/1995

RPI 1279

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