Official data from INPI

APARELHO DE SIGILO,TRANSFERENCIA E URGENCIA PARA EXTENSOES TELEFONICAS

PublicadaInvention Patent

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Application data

Number

PI8402987

Type

Invention Patent

Filing

06/19/1984

Publication

01/28/1986

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Progress at the INPI

Filing06/19/84
Publication01/28/86
Examination
Allowance
Grant
In force

The application was published in the RPI gazette on 01/28/1986 and is now open to any interested party. It moves on to technical examination at the INPI.

Latest action published by the INPI: 09/22/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SOCIEDADE EDUCACIONAL NUNO LIS [BR]

Inventors

A. D. (pessoa física)

Technical data

IPC Classification

H04M 1/70 H04M 1/72

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

09/22/1987

RPI 883

Publicação do pedido de patente

#3.1

01/28/1986

RPI 797

Pedido de patente depositado

#2.1

07/30/1985

RPI 771

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