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Official data from INPI

APARELHO DE ELETROLISE E PROCESSO PARA PRODUZIR UM APARELHO DE ELETROLISE

Em AnáliseInvention Patent

Application data

Number

PI8008422

Type

Invention Patent

Filing

12/27/1979

Publication

-

Progress at the INPI

  1. Filing12/27/79
  2. Publication
  3. Examination09/20/83
  4. Allowance07/08/86
  5. Grant12/30/86
  6. Terminated11/16/88

The patent was granted on 12/30/1986 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: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PERMELEC ELECTRODE LTD

Inventors

H. A. (pessoa física)

T. S. (pessoa física)

T. G. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/16/1988

RPI 943

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

11/04/1986

RPI 837

Deferimento

#9.1

07/08/1986

RPI 820

Exigência - art. 36 da LPI

#6.1

07/23/1985

RPI 770

Conhecimento de parecer técnico

#7.1

03/20/1984

RPI 700

Solicitação de exame técnico

#4.1

09/20/1983

RPI 674

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