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Official data from INPI

PROCESSO PARA OBTENÇÃO DE ANODOS A BASE DE NÍQUEL, COM REDUZIDA SOBRETENSÃO, E, RESPECTIVOS ANODOS

ConcedidaInvention Patent

Application data

Number

PI8202716

Type

Invention Patent

Filing

05/11/1982

Publication

12/20/1983

Progress at the INPI

  1. Filing05/11/82
  2. Publication12/20/83
  3. Examination05/08/84
  4. Allowance02/12/86
  5. Grant08/26/86
  6. Terminated07/25/95

The patent was granted on 08/26/1986 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: 08/26/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GETEC - Guanabara Quimica Industrial S.A.

RJ, BR

Inventors

A. M. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/26/1986

RPI 827

Notificação para pagamento de retribuição

#13.1

06/24/1986

RPI 818

Deferimento

#9.1

02/12/1986

RPI 799

Exigência - art. 36 da LPI

#6.1

03/05/1985

RPI 750

Solicitação de exame técnico

#4.1

05/08/1984

RPI 707

Publicação do pedido de patente

#3.1

12/20/1983

RPI 687

Pedido de patente depositado

#2.1

06/22/1982

RPI 609

Anuidade - prazo legal encerrado

#18.2

07/25/1995

RPI 1286

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