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Official data from INPI

CONJUNTO DE FILTRO DE FLUIDO,E CARTUCHO DE FILTRAGEM

Em AnáliseInvention Patent

Application data

Number

PI8104591

Type

Invention Patent

Filing

08/18/1980

Publication

04/06/1982

Progress at the INPI

  1. Filing08/18/80
  2. Publication04/06/82
  3. Examination03/13/84
  4. Allowance
  5. Grant
  6. In force

Published on 04/06/1982, 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: 09/23/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ILLINOIS TOOL WORKS [US]

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Inventors

H. C. (pessoa física)

L. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.2

09/23/1986

RPI 831

Arquivamento - Art. 36 §1° da LPI

#11.2

07/30/1985

RPI 771

Exigência - art. 36 da LPI

#6.1

12/18/1984

RPI 739

Solicitação de exame técnico

#4.1

03/13/1984

RPI 699

Publicação do pedido de patente

#3.1

04/06/1982

RPI 598

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