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Official data from INPI

PROCESSO PARA FABRICACAO DE ELETRODO METALICO COM EIXO VERTICAL DESTINADO A REFUSAO SOB ESCORIA CONDUTORA E PRODUCAO DE LINGOTE METALICO COM COMPOSICAO QUIMICA VARIAVEL DE FORMA CONTINUA AO LONGO DE SEU EIXO

Em AnáliseInvention Patent

Application data

Number

PI7702533

Type

Invention Patent

Filing

04/22/1977

Publication

-

Progress at the INPI

  1. Filing04/22/77
  2. Publication
  3. Examination
  4. Allowance03/01/83
  5. Grant09/27/83
  6. Terminated05/10/88

The patent was granted on 09/27/1983 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: 05/10/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. E. (pessoa física)

Inventors

S. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/10/1988

RPI 916

20.4

09/23/1986

RPI 831

20.4

09/09/1986

RPI 829

20.4

09/02/1986

RPI 828

Concessão da patente

#16.1

09/27/1983

RPI 675

Notificação para pagamento de retribuição

#13.1

06/21/1983

RPI 661

Deferimento

#9.1

03/01/1983

RPI 645

Exigência - art. 36 da LPI

#6.1

08/24/1982

RPI 618

Exigência - art. 36 da LPI

#6.1

11/24/1981

RPI 579

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