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Official data from INPI

PROCESSO DE REFINAR RESIDUO DE COBRE RICO EM COBRE COM ADICAO DE UMA CONSIDERAVEL QUANTIDADE DE MATERIAIS SOLIDOS CONTENDO GRANDE QUANTIDADE DE COBRE

Em AnáliseInvention Patent

Application data

Number

PI7901370

Type

Invention Patent

Filing

03/07/1978

Publication

-

Progress at the INPI

  1. Filing03/07/78
  2. Publication
  3. Examination
  4. Allowance
  5. Grant10/25/83
  6. Terminated06/24/86

The patent was granted on 10/25/1983 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: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. M. (pessoa física)

Inventors

C. J. (pessoa física)

W. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/24/1986

RPI 818

Cessão de direito de exploração

#22.1

06/04/1985

RPI 763

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

05/24/1983

RPI 657

6.2

03/09/1982

RPI 594

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