Official data from INPI

DISPOSITIVO EXCLUSOR PARA TELEFONE INSTALADOS EM PARALELO.

IndeferidaInvention Patent

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Application data

Number

PI8501351

Type

Invention Patent

Filing

03/26/1985

Publication

10/14/1986

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Progress at the INPI

Under appeal

Filing03/26/85
Publication10/14/86
Examination01/13/87
Refused10/24/89
Grant
In force

The application was refused by the INPI on 10/24/1989. The invention was never patented.

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Latest action published by the INPI: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Amper, S.A.

Inventors

A. G. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

282.513 · 11/12/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

10/24/1989

RPI 992

Exigência - art. 36 da LPI

#6.1

06/21/1988

RPI 922

Solicitação de exame técnico

#4.1

01/13/1987

RPI 847

Publicação do pedido de patente

#3.1

10/14/1986

RPI 834

Pedido de patente depositado

#2.1

06/18/1985

RPI 765

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