09/26/1989
RPI 988
Solicitação de exame técnico
4.1
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Utility ModelMU6802157
DISPOSIÇÃO INTRODUZIDA EM AMPLIFICADOR (BOOSTER) E RESPECTIVA FONTE DE ALIMENTAÇÃO
L B Produtos Eletrônicos Ltda
Em AnáliseIPC H03F 3/189
Progress at the INPI
Under appeal- Refused06/23/92
The application was refused by the INPI on 06/23/1992. The invention was never patented.
Talk to a specialistLatest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
02/08/1989
RPI 955
Publicação antecipada
3.2
01/31/1989
RPI 954
Pedido de patente depositado
2.1
06/23/1992
RPI 1125
Indeferimento
9.2