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Official data from INPI

SISTEMA TELEFÔNICO

PublicadaInvention Patent
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Application data

Number

PI8706480

Type

Invention Patent

Filing

11/24/1987

Publication

06/20/1989
View on INPI

Progress at the INPI

  1. Filing11/24/87
  2. Publication06/20/89
  3. Examination12/18/90
  4. Allowance
  5. Grant
  6. In force

Published on 06/20/1989, 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: 06/20/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Splice do Brasil Telecomunicações e Eletrônica Ltda

SP, BR

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Inventors

A. B. (pessoa física)

BR

Technical data

IPC Classification

H04B 7/24H04Q 3/58

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

06/20/1989

RPI 974

Pedido de patente depositado

#2.1

03/01/1988

RPI 906

Retificação

#15.3

10/24/1995

RPI 1299

Retificação

#15.6

05/24/1994

RPI 1225

15.15

10/19/1993

RPI 1194

Alteração de numeração

#15.1

05/25/1993

RPI 1173

15.5

12/08/1992

RPI 1149

Solicitação de exame técnico

#4.1

12/18/1990

RPI 1046

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