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Official data from INPI

Processo de extração dos valores de metal nobre presente em um minério.

Em AnáliseInvention Patent

Application data

Number

PI8604310

Type

Invention Patent

Filing

09/09/1986

Publication

05/05/1987

Progress at the INPI

  1. Filing09/09/86
  2. Publication05/05/87
  3. Examination08/15/89
  4. Allowance
  5. Grant
  6. In force

Published on 05/05/1987, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. B. (pessoa física)

Inventors

B. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/15/1989

RPI 982

Publicação do pedido de patente

#3.1

05/05/1987

RPI 863

Pedido de patente depositado

#2.1

03/17/1987

RPI 856

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

Retificação

#15.3

06/25/1991

RPI 1073

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