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Official data from INPI

PROTETOR MODULAR DE ALTA IMPEDANCIA PARA EQUIPAMENTOS ELETRONICOS INSTALADOS EM LINHAS DE AUDIO

Em AnáliseUtility Model

Application data

Number

MU6600899

Type

Utility Model

Filing

06/05/1986

Publication

02/24/1987

Progress at the INPI

Under appeal
  1. Filing06/05/86
  2. Publication02/24/87
  3. Examination07/11/89
  4. Refused03/05/91
  5. Grant
  6. In force

The application was refused by the INPI on 03/05/1991. The invention was never patented.

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Latest action published by the INPI: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MINAS GERAIS TELECOM TELEMIG [BR]

TESLA ENGENHARIA ELETRO ELETRO [BR]

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Inventors

C. A. (pessoa física)

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

11/21/1989

RPI 996

Solicitação de exame técnico

#4.1

07/11/1989

RPI 977

Solicitação de exame não realizada

#4.2

02/28/1989

RPI 958

Publicação antecipada

#3.2

02/24/1987

RPI 853

Pedido de patente depositado

#2.1

01/27/1987

RPI 849

Republicação - classificação IPC

#15.11

01/26/2010

RPI 2038

Indeferimento

#9.2

03/05/1991

RPI 1057

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