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Official data from INPI

SISTEMA DE FILTRAGEM DE COMBUSTIVEIS POR GRAVIDADE

Em AnáliseInvention Patent

Application data

Number

PI8505654

Type

Invention Patent

Filing

11/11/1985

Publication

04/15/1986

Progress at the INPI

  1. Filing11/11/85
  2. Publication04/15/86
  3. Examination01/21/87
  4. Allowance
  5. Grant
  6. In force

Published on 04/15/1986, 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: 01/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. J. (pessoa física)

Inventors

L. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Alteração de numeração

#15.1

01/31/1989

RPI 954

Solicitação de exame técnico

#4.1

01/21/1987

RPI 848

Publicação antecipada

#3.2

04/15/1986

RPI 808

Pedido de patente depositado

#2.1

01/21/1986

RPI 796

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