Official data from INPI

DISPOSITIVO AUTOMATICO PARA GRAVAR CONVERSAS TELEFONICAS

IndeferidaUtility Model

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Application data

Number

MU6601172

Type

Utility Model

Filing

07/11/1986

Publication

04/05/1988

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Progress at the INPI

Under appeal

Filing07/11/86
Publication04/05/88
Examination06/21/88
Refused09/05/89
Grant
In force

The application was refused by the INPI on 09/05/1989. The invention was never patented.

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Latest action published by the INPI: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NILSON PEREIRA DE FREITAS [BR]

Inventors

F. [. (pessoa física)

Technical data

IPC Classification

H04M 1/65

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

09/05/1989

RPI 985

Solicitação de exame técnico

#4.1

06/21/1988

RPI 922

Publicação do pedido de patente

#3.1

04/05/1988

RPI 911

Pedido de patente depositado

#2.1

02/10/1987

RPI 851

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