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Official data from INPI

PROTETOR CONTRA SURTOS DE ALTA IMPEDANCIA PARA EQUIPAMENTOS ELETRONICOS INSTALADOS EM LINHAS DE ALIMENTACAO DE CORRENTE ALTERNADA OU CONTINUA

Em AnáliseUtility Model

Application data

Number

MU6700051

Type

Utility Model

Filing

01/15/1987

Publication

08/04/1987

Progress at the INPI

Under appeal
  1. Filing01/15/87
  2. Publication08/04/87
  3. Examination11/03/87
  4. Refused11/06/90
  5. Grant
  6. In force

The application was refused by the INPI on 11/06/1990. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 03/01/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TESLA ENGENHARIA ELETRO ELETRO [BR]

Inventors

G. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

03/01/1988

RPI 906

14.6

11/17/1987

RPI 891

Solicitação de exame técnico

#4.1

11/03/1987

RPI 889

Publicação antecipada

#3.2

08/04/1987

RPI 876

Pedido de patente depositado

#2.1

06/30/1987

RPI 871

Indeferimento

#9.2

11/06/1990

RPI 1040

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