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Official data from INPI

PASSAGEM DE ALTA CORRENTE PARA TRANSFORMADORES,SOBRETUDO PARA TRANSFORMADORES DE FORNOS E DE RETIFICADORES

Em AnáliseInvention Patent

Application data

Number

PI8503983

Type

Invention Patent

Filing

08/22/1984

Publication

06/03/1986

Progress at the INPI

  1. Filing08/22/84
  2. Publication06/03/86
  3. Abandoned03/01/88
  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: 09/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TRANSFORMATOREN UNION AG [DE]

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Inventors

M. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.1

09/06/1988

RPI 933

Solicitação de exame técnico

#4.1

03/01/1988

RPI 906

Publicação do pedido de patente

#3.1

06/03/1986

RPI 815

Pedido de patente depositado

#2.1

10/22/1985

RPI 783

Arquivamento - Art. 36 §1° da LPI

#11.2

07/31/1990

RPI 1026

6.2

01/02/1990

RPI 1000

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