Official data from INPI

DISPOSITIVO PARA PROLONGAR A VIDA ÚTIL DE LÂMPADAS.

IndeferidaUtility Model

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Application data

Number

MU6501836

Type

Utility Model

Filing

11/21/1985

Publication

05/27/1986

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Progress at the INPI

Under appeal

Filing11/21/85
Publication05/27/86
Examination09/16/86
Refused08/09/88
Grant
In force

The application was refused by the INPI on 08/09/1988. The invention was never patented.

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Latest action published by the INPI: 08/09/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. C. (pessoa física)

Inventors

C. C. (pessoa física)

Technical data

IPC Classification

H01K 1/48

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

08/09/1988

RPI 929

Pedido de certificado de adição de invenção

#5.1

01/06/1987

RPI 846

Solicitação de exame técnico

#4.1

09/16/1986

RPI 830

Publicação antecipada

#3.2

05/27/1986

RPI 814

Pedido de patente depositado

#2.1

03/25/1986

RPI 805

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