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Official data from INPI

CONJUNTO DE EQUIPAMENTOS PARA FILTRACAO DE LIQUIDOS CONTENDO SOLIDOS EM SUSPENSAO

Em AnáliseInvention Patent

Application data

Number

PI8800457

Type

Invention Patent

Filing

01/29/1988

Publication

08/02/1988

Progress at the INPI

  1. Filing01/29/88
  2. Publication08/02/88
  3. Examination01/10/89
  4. Allowance
  5. Grant
  6. In force

Published on 08/02/1988, 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: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. K. (pessoa física)

MG, BR

Inventors

K. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/10/1989

RPI 951

14.1

10/25/1988

RPI 940

Publicação antecipada

#3.2

08/02/1988

RPI 928

Pedido de patente depositado

#2.1

05/10/1988

RPI 916

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: B01D 29/38; B01D 36/02.

03/27/2018

RPI 2464

15.7

05/18/1993

RPI 1172

15.15

11/24/1992

RPI 1147

Retificação

#15.3

10/01/1991

RPI 1087

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