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Official data from INPI

ATENUADOR DE TRANSIENTES

Em AnáliseInvention Patent
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Application data

Number

PI9100324

Type

Invention Patent

Filing

01/21/1991

Publication

05/07/1991
View on INPI

Progress at the INPI

  1. Filing01/21/91
  2. Publication05/07/91
  3. Examination02/24/93
  4. Allowance
  5. Grant
  6. In force

Published on 05/07/1991, 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: 12/05/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Blindex Westinghouse Eletrotécnica Ltda.

SP, BR

W. A. (pessoa física)

RJ, BR

Inventors

I. G. (pessoa física)

Technical data

IPC Classification

H02J 3/01

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

12/05/1995

RPI 1305

14.1

04/20/1993

RPI 1168

Solicitação de exame técnico

#4.1

02/24/1993

RPI 1160

Pedido de patente depositado

#2.1

05/07/1991

RPI 1066

Publicação antecipada

#3.2

05/07/1991

RPI 1066

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