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Official data from INPI

PURIFICADOR DE ÁGUA

Prazo de SigiloInvention Patent
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Application data

Number

PI8902617

Type

Invention Patent

Filing

06/06/1989

Publication

12/26/1990
View on INPI

Progress at the INPI

  1. Filing06/06/89
  2. Publication12/26/90
  3. Examination08/20/91
  4. Allowance
  5. Grant
  6. In force

Published on 12/26/1990, 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: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Brainsystems - Eletrônica Indústria e Comércio S/A

RJ, BR

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Inventors

A. G. (pessoa física)

BR

Technical data

IPC Classification

C02F 1/32

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/18/1989

RPI 978

Retificação

#15.3

08/16/1994

RPI 1237

Solicitação de exame técnico

#4.1

08/20/1991

RPI 1081

Publicação do pedido de patente

#3.1

12/26/1990

RPI 1047

14.1

03/13/1990

RPI 1009

14.1

03/06/1990

RPI 1008

14.1

03/01/1990

RPI 1007

15.7

02/13/1990

RPI 1006

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