Official data from INPI

APERFEIÇOAMENTO EM BLOQUEADOR DE EXTENSÃO TELEFÔNICA.

IndeferidaInvention Patent

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Application data

Number

PI8403608

Type

Invention Patent

Filing

07/20/1984

Publication

02/20/1985

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Progress at the INPI

Under appeal

Filing07/20/84
Publication02/20/85
Examination04/30/85
Refused09/27/88
Grant
In force

The application was refused by the INPI on 09/27/1988. The invention was never patented.

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Latest action published by the INPI: 11/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Embracom Eletrônica S/A

SP, BR

Inventors

T. M. (pessoa física)

Technical data

IPC Classification

H04M 1/68 H04M 1/72

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

11/22/1988

RPI 944

Indeferimento

#9.2

09/27/1988

RPI 936

Solicitação de exame técnico

#4.1

04/30/1985

RPI 758

Publicação antecipada

#3.2

02/20/1985

RPI 748

Pedido de patente depositado

#2.1

10/02/1984

RPI 728

From the same holder

DISPOSITIVO DE SIGILO TELEFÔNICO.GAVETEIRO PARA SISTEMAS ELÉTRICOS E ELETRÔNICOS.

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