Official data from INPI

DISCRIMINADOR DE LINHA TELEFONICA

IndeferidaUtility Model

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Application data

Number

MU6101296

Type

Utility Model

Filing

09/11/1981

Publication

12/08/1981

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Progress at the INPI

Under appeal

Filing09/11/81
Publication12/08/81
Examination03/09/82
Refused07/02/85
Grant
In force

The application was refused by the INPI on 07/02/1985. The invention was never patented.

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Latest action published by the INPI: 07/02/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HDL PROD ELETRON IND COM LTDA

Inventors

D. L. (pessoa física)

Technical data

IPC Classification

H04M 1/66

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

07/02/1985

RPI 767

Conhecimento de parecer técnico

#7.1

10/30/1984

RPI 732

Pedido de certificado de adição de invenção

#5.1

08/24/1982

RPI 618

Solicitação de exame técnico

#4.1

03/09/1982

RPI 594

Publicação antecipada

#3.2

12/08/1981

RPI 581

Pedido de patente depositado

#2.1

10/27/1981

RPI 575

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CENTRAL DE COMANDO DIGITAL SEQUENCIAL SISTEMA DE RADIOCOMANDO DIGITALMENTE CODIFICADO SISTEMA LOGICO DE COMANDO E COMUNICACAO

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