Official data from INPI

SUPRESSOR DE TRANSIENTES E SURTOS DE TENSAO EM REDES ELETRICAS E/OU TELEFONICAS

IndeferidaUtility Model

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Application data

Number

MU6602165

Type

Utility Model

Filing

11/14/1986

Publication

05/17/1988

View on INPI

Progress at the INPI

Filing11/14/86
Publication05/17/88
Examination06/28/88
Allowance
Grant
In force

Published on 05/17/1988, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

Latest action published by the INPI: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TECNOWATT IND ELETROTECNICA LT [BR]

Inventors

M. A. (pessoa física)

Technical data

IPC Classification

H02H 3/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

10/17/1989

RPI 991

Solicitação de exame técnico

#4.1

06/28/1988

RPI 923

Publicação antecipada

#3.2

05/17/1988

RPI 917

Pedido de patente depositado

#2.1

05/05/1987

RPI 863

14.4

04/06/1993

RPI 1166

111

10/09/1990

RPI 1036

Petição de recurso

#12.2

04/10/1990

RPI 1013

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