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Official data from INPI

ELEMENTO FILTRANTE DE AÇÃO TRIPLA

PublicadaUtility Model

Application data

Number

MU6900988

Type

Utility Model

Filing

05/31/1989

Publication

09/12/1989

Progress at the INPI

  1. Filing05/31/89
  2. Publication09/12/89
  3. Examination03/06/90
  4. Allowance
  5. Grant
  6. In force

Published on 09/12/1989, 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: 09/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Filtros DC Indústria e Comércio Ltda

SP, BR

Inventors

R. C. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação antecipada

#3.2

09/12/1989

RPI 986

Pedido de patente depositado

#2.1

08/01/1989

RPI 980

Retificação

#15.3

05/17/1994

RPI 1224

14.1

05/07/1991

RPI 1066

Solicitação de exame técnico

#4.1

03/06/1990

RPI 1008

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