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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent
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Application data

Number

PI8704976

Type

Invention Patent

Filing

09/28/1987

Publication

04/19/1988
View on INPI

Progress at the INPI

  1. Filing09/28/87
  2. Publication04/19/88
  3. Examination06/07/88
  4. Allowance
  5. Grant
  6. In force

Published on 04/19/1988, 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: 06/07/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ichtus Eletrônica S/A.

RJ, BR

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Inventors

M. R. (pessoa física)

R. S. (pessoa física)

Technical data

IPC Classification

H04L 27/20H04L 27/22

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/07/1988

RPI 920

Publicação antecipada

#3.2

04/19/1988

RPI 913

Pedido de patente depositado

#2.1

12/22/1987

RPI 896

Retificação

#15.3

03/23/1993

RPI 1164

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From the same holder

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