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Official data from INPI

REGULADOR AUTOMÁTICO TRIFÁSICO DE TENSÃO E CORRENTE EM TRIÂNGULO CONTROLADO

Prazo de SigiloInvention Patent

Application data

Number

PI8803720

Type

Invention Patent

Filing

07/22/1988

Publication

03/06/1990

Progress at the INPI

  1. Filing07/22/88
  2. Publication03/06/90
  3. Abandoned04/14/92
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Aço Minas Gerais S/A - Açominas

MG, BR

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Inventors

J. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

12/27/1988

RPI 949

Arquivamento - Art. 36 §1° da LPI

#11.2

12/17/1996

RPI 1359

Exigência - art. 36 da LPI

#6.1

03/19/1996

RPI 1320

Conhecimento de parecer técnico

#7.1

07/19/1994

RPI 1233

Solicitação de exame técnico

#4.1

04/14/1992

RPI 1115

Publicação do pedido de patente

#3.1

03/06/1990

RPI 1008

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