Official data from INPI

APERFEICOAMENTOS EM DISCRIMINADOR DE LINHA TELEFONICA

IndeferidaUtility Model

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Application data

Number

MU6200486

Type

Utility Model

Filing

04/12/1982

Publication

11/16/1983

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Progress at the INPI

Under appeal

Filing04/12/82
Publication11/16/83
Examination03/20/84
Refused01/22/85
Grant
In force

The application was refused by the INPI on 01/22/1985. The invention was never patented.

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Latest action published by the INPI: 01/22/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HDL PROD ELETRON IND COM LTDA [BR]

Inventors

L. D. (pessoa física)

Technical data

IPC Classification

H04M 15/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

01/22/1985

RPI 744

Solicitação de exame técnico

#4.1

03/20/1984

RPI 700

Publicação do pedido de patente

#3.1

11/16/1983

RPI 682

Pedido de patente depositado

#2.1

06/01/1982

RPI 606

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