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Official data from INPI

TROCADOR DE CALOR, EM PARTICULAR O RADIADOR DE UM CIRCUITO DE REFRIGERAÇÃO DO MOTOR DE UM VEÍCULO AUTOMÓVEL.

DeferidaInvention Patent

Application data

Number

PI8503908

Type

Invention Patent

Filing

08/16/1985

Publication

05/27/1986

Progress at the INPI

  1. Filing08/16/85
  2. Publication05/27/86
  3. Examination08/05/86
  4. Allowance08/08/89
  5. Grant09/25/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Valeo

FR

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Inventors

M. V. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

FR

84 13081 · 08/22/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

08/08/1989

RPI 981

Exigência - art. 36 da LPI

#6.1

10/25/1988

RPI 940

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

05/27/1986

RPI 814

Pedido de patente depositado

#2.1

10/29/1985

RPI 784

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: F28D 1/10; F28D 1/32; B60K 11/04.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

Patente extinta em 16/08/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

09/25/1990

RPI 1034

110

05/29/1990

RPI 1020

Recurso

#12.1

01/23/1990

RPI 1003

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