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Official data from INPI

SISTEMA DE MODULAÇÃO POR PULSO EXTERNO.

Em AnáliseUtility Model

Application data

Number

MU6300664

Type

Utility Model

Filing

05/23/1983

Publication

10/02/1984

Progress at the INPI

  1. Filing05/23/83
  2. Publication10/02/84
  3. Examination07/02/85
  4. Allowance
  5. Grant
  6. In force

Published on 10/02/1984, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 02/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Eletrônica Hamelin Ltda

SP, BR

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Inventors

H. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

131

02/21/1989

RPI 957

Indeferimento

#9.2

07/12/1988

RPI 925

Retificação

#15.6

12/22/1987

RPI 896

Retificação

#15.3

09/08/1987

RPI 881

Conhecimento de parecer técnico

#7.1

07/29/1986

RPI 823

Pedido de certificado de adição de invenção

#5.1

11/19/1985

RPI 787

Solicitação de exame técnico

#4.1

07/02/1985

RPI 767

Publicação antecipada

#3.2

10/02/1984

RPI 728

Pedido de patente depositado

#2.1

07/05/1983

RPI 663

14.1

08/17/1993

RPI 1185

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