Official data from INPI

DISPOSITIVO PARA CONTROLE DE ILUMINAÇÃO EM DOIS NÍVEIS

PublicadaInvention Patent

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Application data

Number

PI8806128

Type

Invention Patent

Filing

11/18/1988

Publication

07/11/1989

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Progress at the INPI

Under appeal

Filing11/18/88
Publication07/11/89
Examination08/07/90
Refused10/31/95
Grant
In force

The application was refused by the INPI on 10/31/1995. The invention was never patented.

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Latest action published by the INPI: 07/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Universidade de São Paulo - USP

SP, BR

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Inventors

L. B. (pessoa física)

Technical data

IPC Classification

H05B 39/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação antecipada

#3.2

07/11/1989

RPI 977

Pedido de patente depositado

#2.1

04/04/1989

RPI 963

Indeferimento

#9.2

10/31/1995

RPI 1300

Conhecimento de parecer técnico

#7.1

01/03/1995

RPI 1257

Solicitação de exame técnico

#4.1

08/07/1990

RPI 1027

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