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Official data from INPI

SISTEMA DE DETECÇÃO DE ATENDIMENTO DE UMA CHAMADA TELEFÔNICA POR ANÁLISE DA SINALIZAÇÃO DE PROGRESSO.

Em AnáliseInvention Patent
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Application data

Number

PI8802583

Type

Invention Patent

Filing

05/24/1988

Publication

10/25/1988
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Progress at the INPI

  1. Filing05/24/88
  2. Publication10/25/88
  3. Abandoned01/17/89
  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: 01/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Daruma Telecomunicações e Informática S/A

SP, BR

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Inventors

E. J. (pessoa física)

BR

Technical data

IPC Classification

H04M 15/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/17/1989

RPI 952

Publicação antecipada

#3.2

10/25/1988

RPI 940

Pedido de patente depositado

#2.1

10/18/1988

RPI 939

Arquivamento - Art. 36 §1° da LPI

#11.2

06/06/1995

RPI 1279

Exigência - art. 36 da LPI

#6.1

06/14/1994

RPI 1228

Exigência - art. 36 da LPI

#6.1

01/18/1994

RPI 1207

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