Official data from INPI

SISTEMA DE TRANSMISSÃO DE FONIA VIA REDE ELÉTRICA.

IndeferidaUtility Model

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Application data

Number

MU6601047

Type

Utility Model

Filing

06/25/1986

Publication

02/10/1987

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Progress at the INPI

Under appeal

Filing06/25/86
Publication02/10/87
Examination04/22/87
Refused09/05/89
Grant
In force

The application was refused by the INPI on 09/05/1989. The invention was never patented.

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Latest action published by the INPI: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. S. (pessoa física)

J. R. (pessoa física)

Inventors

E. S. (pessoa física)

J. R. (pessoa física)

Technical data

IPC Classification

H04B 3/54

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

09/05/1989

RPI 985

Solicitação de exame técnico

#4.1

04/22/1987

RPI 861

Publicação antecipada

#3.2

02/10/1987

RPI 851

Pedido de patente depositado

#2.1

02/03/1987

RPI 850

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