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Official data from INPI

PROCESSO PARA CONECTAR DIRETAMENTE CONEXÕES EM FAIXA LARGA EM UM MÓDULO COMUTADOR DE TEMPO DIGITAL ENTRE ASSINANTES E MÓDULO COMUTADOR DE TEMPO DIGITAL PARA EFETUAR O PROCESSO

Arquivada/ExtintaInvention PatentPCT · SE1990000391

Application data

Number

PI9006826

Type

Invention Patent

Filing

06/06/1990

Publication

08/06/1991

PCT

SE1990000391

Progress at the INPI

  1. Filing06/06/90
  2. Publication08/06/91
  3. Examination04/07/92
  4. Allowance03/14/95
  5. Grant09/26/95
  6. Expired06/15/10

The letters patent expired on 06/15/2010: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/15/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. E. (pessoa física)

SE

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Inventors

L. P. (pessoa física)

SE

U. A. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

8902309-7 · 06/26/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 06/06/2005

06/15/2010

RPI 2058

Concessão da patente

#16.1

09/26/1995

RPI 1295

Deferimento

#9.1

03/14/1995

RPI 1267

Solicitação de exame técnico

#4.1

04/07/1992

RPI 1114

Notificação de entrada na fase nacional - PCT

#1.3

08/06/1991

RPI 1079

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