Official data from INPI

SISTEMA DE SUPERVISAO DE LINHA DE ASSINANTES

IndeferidaInvention Patent

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Application data

Number

PI8403340

Type

Invention Patent

Filing

06/25/1984

Publication

02/18/1986

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Progress at the INPI

Under appeal

Filing06/25/84
Publication02/18/86
Examination08/05/86
Refused05/24/88
Grant
In force

The application was refused by the INPI on 05/24/1988. The invention was never patented.

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Latest action published by the INPI: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PERNAMBUCO TELECOM TELPE SA [BR]

Inventors

O. M. (pessoa física)

Technical data

IPC Classification

H04M 3/30 H04Q 1/20

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

05/24/1988

RPI 918

15.5

09/29/1987

RPI 884

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

02/18/1986

RPI 800

Pedido de patente depositado

#2.1

09/11/1984

RPI 725

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