Official data from INPI

MINI FONE DE OUVIDO

IndeferidaUtility Model

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Application data

Number

MU6201313

Type

Utility Model

Filing

09/27/1982

Publication

01/04/1983

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Progress at the INPI

Under appeal

Filing09/27/82
Publication01/04/83
Examination06/21/83
Refused04/02/85
Grant
In force

The application was refused by the INPI on 04/02/1985. The invention was never patented.

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Latest action published by the INPI: 04/02/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IBCT ELETRONICA LTD [BR]

Inventors

N. P. (pessoa física)

Technical data

IPC Classification

H04R 5/033

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

04/02/1985

RPI 754

Pedido de certificado de adição de invenção

#5.1

11/08/1983

RPI 681

Solicitação de exame técnico

#4.1

06/21/1983

RPI 661

Publicação antecipada

#3.2

01/04/1983

RPI 637

Pedido de patente depositado

#2.1

11/16/1982

RPI 630

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APARELHO PARA TELEFONISTA

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