Official data from INPI

EQUIPAMENTO CONVERSOR MULTIPLEXADOR AUTOMÁTICO E PROGRAMÁVEL BIDIRECIONAL DE SINAIS SÍNCRONOS E ASSÍNCRONOS PARA TRANSMISSÃO DE DADOS.

IndeferidaUtility Model

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Application data

Number

MU6400650

Type

Utility Model

Filing

05/08/1984

Publication

12/17/1985

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Progress at the INPI

Under appeal

Filing05/08/84
Publication12/17/85
Examination11/11/86
Refused07/04/89
Grant
In force

The application was refused by the INPI on 07/04/1989. The invention was never patented.

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Latest action published by the INPI: 07/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. B. (pessoa física)

Inventors

J. N. (pessoa física)

W. B. (pessoa física)

Technical data

IPC Classification

H04L 25/03

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

07/04/1989

RPI 976

Conhecimento de parecer técnico

#7.1

10/27/1987

RPI 888

Solicitação de exame técnico

#4.1

11/11/1986

RPI 838

Publicação do pedido de patente

#3.1

12/17/1985

RPI 791

Pedido de patente depositado

#2.1

12/26/1984

RPI 740

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