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Official data from INPI

FILTRO PARA CONTROLE NA EMISSÃO DE GASES

Prazo de SigiloInvention Patent

Application data

Number

PI8903928

Type

Invention Patent

Filing

08/04/1989

Publication

02/05/1991

Progress at the INPI

  1. Filing08/04/89
  2. Publication02/05/91
  3. Examination
  4. Allowance
  5. Grant
  6. In force

Published on 02/05/1991, 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Siemens-Bendix Automotive Electric Ltda.

SP, BR

Inventors

F. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

11/28/1989

RPI 997

14.4

03/15/1994

RPI 1215

Arquivamento - Art. 33 da LPI

#11.1

04/20/1993

RPI 1168

15.7

06/09/1992

RPI 1123

Publicação do pedido de patente

#3.1

02/05/1991

RPI 1053

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