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Official data from INPI

SISTEMA ELETRÔNICO COMPREENDENDO PELO MENOS UM CIRCUITO QUE INCLUI UM DISPOSITIVO PROTETOR CONTRA SURTOS E DISPOSITIVO PROTETOR CONTRA SURTOS SEMI-CONDUTOR

Em AnáliseInvention Patent

Application data

Number

PI9003098

Type

Invention Patent

Filing

07/02/1990

Publication

08/27/1991

Progress at the INPI

  1. Filing07/02/90
  2. Publication08/27/91
  3. Examination03/30/93
  4. Allowance
  5. Grant
  6. In force

Published on 08/27/1991, 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: 11/28/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Northern Telecom Limited

CA

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Inventors

J. A. (pessoa física)

US

J. B. (pessoa física)

CA

R. M. (pessoa física)

W. T. (pessoa física)

Technical data

IPC Classification

Priority claims

US

07/382.131 · 07/20/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

11/28/1995

RPI 1304

Solicitação de exame técnico

#4.1

03/30/1993

RPI 1165

Publicação do pedido de patente

#3.1

08/27/1991

RPI 1082

Pedido de patente depositado

#2.1

12/18/1990

RPI 1046

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