Official data from INPI

CIRCUITO DE EXCITAÇÃO ELÉTRICA PARA PAINÉIS ELETROLUMINESCENTES OU SIMILAR.

Em AnáliseInvention Patent

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Application data

Number

PI8503588

Type

Invention Patent

Filing

07/29/1985

Publication

04/29/1986

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Progress at the INPI

Filing07/29/85
Publication04/29/86
Examination05/17/88
Allowance06/26/90
Grant03/26/91
Terminated05/28/96

The patent was granted on 03/26/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Luminescent Electronics, Inc

Inventors

G. S. (pessoa física)

N. S. (pessoa física)

Technical data

IPC Classification

H05B 37/02

Priority claims

635.770 · 07/30/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/17/1988

RPI 917

Publicação do pedido de patente

#3.1

04/29/1986

RPI 810

Pedido de patente depositado

#2.1

09/24/1985

RPI 779

Anuidade - prazo legal encerrado

#18.2

05/28/1996

RPI 1330

Republicação - classificação IPC

#15.11

06/18/1991

RPI 1072

Concessão da patente

#16.1

03/26/1991

RPI 1060

Notificação para pagamento de retribuição

#13.1

10/09/1990

RPI 1036

Deferimento

#9.1

06/26/1990

RPI 1024

6.2

01/02/1990

RPI 1000

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