Official data from INPI

MODULO DE PROTECAO

PublicadaUtility Model

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Application data

Number

MU6702284

Type

Utility Model

Filing

10/16/1987

Publication

08/02/1988

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Progress at the INPI

Filing10/16/87
Publication08/02/88
Examination01/16/90
Allowance
Grant
In force

Published on 08/02/1988, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

Latest action published by the INPI: 08/02/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PROTELCO IND E COMERCIO LTDA [BR]

Inventors

M. W. (pessoa física)

Technical data

IPC Classification

H04R 1/06

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação antecipada

#3.2

08/02/1988

RPI 928

Pedido de patente depositado

#2.1

05/17/1988

RPI 917

Retificação

#15.3

05/21/1991

RPI 1068

Solicitação de exame técnico

#4.1

01/16/1990

RPI 1002

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