Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM AMPLIFICADOR (BOOSTER) E RESPECTIVA FONTE DE ALIMENTAÇÃO

Em AnáliseUtility Model

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Application data

Number

MU6802157

Type

Utility Model

Filing

09/23/1988

Publication

02/08/1989

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Progress at the INPI

Under appeal

Filing09/23/88
Publication02/08/89
Examination09/26/89
Refused06/23/92
Grant
In force

The application was refused by the INPI on 06/23/1992. The invention was never patented.

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Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L B Produtos Eletrônicos Ltda

SP, BR

Inventors

L. J. (pessoa física)

Technical data

IPC Classification

H03F 3/189

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/26/1989

RPI 988

Publicação antecipada

#3.2

02/08/1989

RPI 955

Pedido de patente depositado

#2.1

01/31/1989

RPI 954

Indeferimento

#9.2

06/23/1992

RPI 1125

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