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Official data from INPI

PROCESSO PARA RECUPERAÇÃO DE TEORES DE METAL, A PATIR DE UMA POLPA QUE CONTÉM TAIS TEORES DE METAL EM FORMA DISSOLVIDAS.

ArquivadaInvention Patent

Application data

Number

PI8306618

Type

Invention Patent

Filing

12/01/1983

Publication

07/10/1984

Progress at the INPI

  1. Filing12/01/83
  2. Publication07/10/84
  3. Abandoned08/26/86
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Anglo American Corporation Of South Africa Limited

ZA

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Inventors

D. J. (pessoa física)

L. K. (pessoa física)

Technical data

Priority claims

ZA

82/9866 · 12/02/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

09/05/1989

RPI 985

Exigência - art. 36 da LPI

#6.1

01/03/1989

RPI 950

6.2

06/23/1987

RPI 870

Solicitação de exame técnico

#4.1

08/26/1986

RPI 827

Publicação do pedido de patente

#3.1

07/10/1984

RPI 716

Pedido de patente depositado

#2.1

02/14/1984

RPI 695

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C22B 3/00; C22B 11/04.

03/27/2018

RPI 2464

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