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Official data from INPI

DISPOSITIVO PARA PRE-AQUECIMENTO DE COMBUSTIVEL

Em AnáliseInvention Patent

Application data

Number

PI8300239

Type

Invention Patent

Filing

01/19/1983

Publication

08/28/1984

Progress at the INPI

  1. Filing01/19/83
  2. Publication08/28/84
  3. Examination10/07/86
  4. Allowance
  5. Grant
  6. In force

Published on 08/28/1984, 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: 10/20/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. S. (pessoa física)

Inventors

S. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

10/20/1987

RPI 887

Solicitação de exame técnico

#4.1

10/07/1986

RPI 833

Publicação do pedido de patente

#3.1

08/28/1984

RPI 723

Pedido de patente depositado

#2.1

03/08/1983

RPI 646

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