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Official data from INPI

PROCESSO DE SIMULACAO ELETROACUSTICO E DISPOSITIVO(CABECA ARTIFICIAL ELETRONICA)PARA A REPRODUCAO DAS PROPRIEDADES DE TRANSMISSAO CORRESPONDENTES AS DO OUVIDO EXTERNO HUMANO,QUANDO DA PROPAGACAO DO SOM EM CAMPO LIVRE

Em AnáliseInvention Patent

Application data

Number

PI8501394

Type

Invention Patent

Filing

03/27/1984

Publication

11/26/1985

Progress at the INPI

  1. Filing03/27/84
  2. Publication11/26/85
  3. Examination11/04/86
  4. Allowance
  5. Grant
  6. In force

Published on 11/26/1985, 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: 06/16/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HEAD STEREO GMBH [DE]

Inventors

G. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.11

06/16/1987

RPI 869

14.11

03/04/1987

RPI 854

Solicitação de exame técnico

#4.1

11/04/1986

RPI 837

14.1

07/29/1986

RPI 823

Publicação do pedido de patente

#3.1

11/26/1985

RPI 788

Pedido de patente depositado

#2.1

06/18/1985

RPI 765

Retificação

#15.3

10/16/1990

RPI 1037

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