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Official data from INPI

CATÓDIOS PARA UTILIZAÇÃO NA REFINAÇÃO ELETROLÍTICA DO COBRE.

Em AnáliseInvention Patent

Application data

Number

PI8000692

Type

Invention Patent

Filing

02/05/1980

Publication

-

Progress at the INPI

  1. Filing02/05/80
  2. Publication
  3. Examination
  4. Allowance02/14/84
  5. Grant09/25/84
  6. Expired05/16/95

The letters patent expired on 05/16/1995: 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: 09/02/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Copper Refineries Pty. Limited.

Copper Refineries Pty Ltd.

Inventors

P. I. (pessoa física)

Technical data

IPC Classification

Priority claims

AU

43909/79 · 02/05/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

09/02/1986

RPI 828

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

06/05/1984

RPI 711

Deferimento

#9.1

02/14/1984

RPI 695

Exigência - art. 36 da LPI

#6.1

07/12/1983

RPI 664

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

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