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Official data from INPI

CÁTODO PARA REFINAÇÃO ELETROLÍTICA DE COBRE

ConcedidaInvention Patent

Application data

Number

PI8204928

Type

Invention Patent

Filing

08/23/1982

Publication

08/02/1983

Progress at the INPI

  1. Filing08/23/82
  2. Publication08/02/83
  3. Examination11/22/83
  4. Allowance01/03/89
  5. Grant09/26/89
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used 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

Copper Refineries Pty. Limited.

M.I.M. Technology Marketing Limited, companhia britânica

GB

Inventors

I. P. (pessoa física)

BE

Technical data

IPC Classification

Priority claims

AU

PF0434 · 08/26/1981

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

05/16/1989

RPI 969

Deferimento

#9.1

01/03/1989

RPI 950

Conhecimento de parecer técnico

#7.1

02/23/1988

RPI 905

14.1

05/27/1986

RPI 814

Exigência - art. 36 da LPI

#6.1

02/26/1985

RPI 749

Solicitação de exame técnico

#4.1

11/22/1983

RPI 683

Publicação do pedido de patente

#3.1

08/02/1983

RPI 667

Pedido de patente depositado

#2.1

10/13/1982

RPI 625

Carta-patente expirada

#21.1

Patente extinta em 23/08/97

07/01/2008

RPI 1956

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