Official data from INPI

DISPOSICAO CONSTRUTIVA EM ALTO FALANTE

IndeferidaUtility Model

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Application data

Number

MU6101463

Type

Utility Model

Filing

10/19/1981

Publication

01/05/1982

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Progress at the INPI

Under appeal

Filing10/19/81
Publication01/05/82
Examination03/09/82
Refused12/26/84
Grant
In force

The application was refused by the INPI on 12/26/1984. The invention was never patented.

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Latest action published by the INPI: 12/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ALMEIDA J [BR]

Inventors

A. [. (pessoa física)

Technical data

IPC Classification

H04R 19/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

12/26/1984

RPI 740

Republicação - classificação IPC

#15.11

12/11/1984

RPI 738

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

01/05/1982

RPI 585

Pedido de patente depositado

#2.1

12/01/1981

RPI 580

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ESTRUTURA MAGNETICA PARA ALTO-FALANTE APERFEICOAMENTOS EM CENTRO DE DISTRIBUICAO DE LUZ

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