Official data from INPI

comutador de extensão telefônica em zona rural.

Em AnáliseUtility Model

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Application data

Number

MU6501629

Type

Utility Model

Filing

10/18/1985

Publication

05/26/1987

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Progress at the INPI

Filing10/18/85
Publication05/26/87
Examination03/08/88
Allowance
Grant
In force

Published on 05/26/1987, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

Latest action published by the INPI: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. F. (pessoa física)

Inventors

A. F. (pessoa física)

Technical data

IPC Classification

H04M 3/62

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.2

08/15/1989

RPI 982

Indeferimento

#9.2

01/17/1989

RPI 952

Solicitação de exame técnico

#4.1

03/08/1988

RPI 907

Publicação do pedido de patente

#3.1

05/26/1987

RPI 866

Pedido de patente depositado

#2.1

06/03/1986

RPI 815

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amplificador portátil para uso audio de telefones.mini posto de serviço.

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