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Official data from INPI

DISPOSIÇÃO DA PROTEÇÃO PARA UM ELÉTRODO DE FUNDO DE UM FORNO DE ARCO VOLTÁICO DE CORRENTE CONTÍNUA.

ConcedidaInvention Patent

Application data

Number

PI8403724

Type

Invention Patent

Filing

07/26/1984

Publication

07/02/1985

Progress at the INPI

  1. Filing07/26/84
  2. Publication07/02/85
  3. Examination06/03/86
  4. Allowance12/06/88
  5. Grant09/26/89
  6. Terminated05/07/96

The patent was granted on 09/26/1989 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BBC Brown, Boveri & Company Limited.

CH

See this company's full portfolio

Inventors

K. B. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

4133/83-0 · 07/28/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Deferimento

#9.1

12/06/1988

RPI 946

Exigência - art. 36 da LPI

#6.1

05/31/1988

RPI 919

Solicitação de exame técnico

#4.1

06/03/1986

RPI 815

Publicação do pedido de patente

#3.1

07/02/1985

RPI 767

Pedido de patente depositado

#2.1

10/02/1984

RPI 728

Anuidade - prazo legal encerrado

#18.2

05/07/1996

RPI 1327

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