Official data from INPI

SISTEMA DE INTERCEPTACAO PARA LINHAS DE ASSINANTES TELEFONICOS

Em AnáliseInvention Patent

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Application data

Number

PI8605940

Type

Invention Patent

Filing

11/12/1986

Publication

10/27/1987

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Progress at the INPI

Filing11/12/86
Publication10/27/87
Examination09/13/88
Refused02/02/93
Grant
In force

The application was refused on 02/02/1993 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 09/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TELECOMUNICACOES DO CEARA S A [BR]

Inventors

C. V. (pessoa física)

P. G. (pessoa física)

Technical data

IPC Classification

H04M 1/64

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/13/1988

RPI 934

Publicação antecipada

#3.2

10/27/1987

RPI 888

Pedido de patente depositado

#2.1

04/22/1987

RPI 861

111

02/02/1993

RPI 1157

Petição de recurso

#12.2

11/05/1991

RPI 1092

Indeferimento

#9.2

07/30/1991

RPI 1078

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