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Official data from INPI

APERFEIÇOAMENTO EM CONVERSORES VARIÁVEIS DE FREQUÊNCIA.

IndeferidaUtility Model
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Application data

Number

MU6300109

Type

Utility Model

Filing

01/27/1983

Publication

09/04/1984
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Progress at the INPI

Under appeal
  1. Filing01/27/83
  2. Publication09/04/84
  3. Examination12/26/84
  4. Refused08/09/88
  5. Grant
  6. In force

The application was refused by the INPI on 08/09/1988. The invention was never patented.

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Latest action published by the INPI: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Amplimatic S/A Indústria e Comércio

SP, BR

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Inventors

W. [. (pessoa física)

Technical data

IPC Classification

H01P 7/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

01/10/1989

RPI 951

Republicação - classificação IPC

#15.11

09/27/1988

RPI 936

Indeferimento

#9.2

08/09/1988

RPI 929

Republicação - classificação IPC

#15.11

08/02/1988

RPI 928

Conhecimento de parecer técnico

#7.1

09/24/1985

RPI 779

Solicitação de exame técnico

#4.1

12/26/1984

RPI 740

Publicação do pedido de patente

#3.1

09/04/1984

RPI 724

14.1

05/29/1984

RPI 710

Pedido de patente depositado

#2.1

03/15/1983

RPI 647

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