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Official data from INPI

UNIDADE DE FILTRO COM MOLDURA DE RECEPÇÃO E CÉLULA FILTRANTE

Em AnáliseInvention Patent

Application data

Number

PI9003996

Type

Invention Patent

Filing

08/08/1990

Publication

02/25/1992

Progress at the INPI

  1. Filing08/08/90
  2. Publication02/25/92
  3. Examination08/04/92
  4. Allowance
  5. Grant
  6. In force

Published on 02/25/1992, 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: 05/06/1997. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Artec Ar Condicionado e Engenharia Ltda.

SP, BR

Inventors

A. S. (pessoa física)

BR

M. M. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

05/06/1997

RPI 1379

Solicitação de exame técnico

#4.1

08/04/1992

RPI 1131

Publicação do pedido de patente

#3.1

02/25/1992

RPI 1108

Pedido de patente depositado

#2.1

02/19/1991

RPI 1055

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