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Official data from INPI

CONCENTRADOR PARA BENEFICIAR MINERAIS

Em AnáliseInvention PatentPCT · SU1988000100

Application data

Number

PI8807589

Type

Invention Patent

Filing

04/27/1988

Publication

05/29/1990

PCT

SU1988000100

Progress at the INPI

  1. Filing04/27/88
  2. Publication05/29/90
  3. Examination02/26/91
  4. Allowance
  5. Grant
  6. In force

Published on 05/29/1990, 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: 06/28/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Vsesojuzny Nauchno-Issledovatelsky Institut Zolota I Redkikh Metallov

SU

Inventors

G. P. (pessoa física)

SU

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

06/28/1994

RPI 1230

Solicitação de exame técnico

#4.1

02/26/1991

RPI 1056

Notificação de entrada na fase nacional - PCT

#1.3

05/29/1990

RPI 1020

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