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Official data from INPI

LÂMPADA ELETROLUMINESCENTE FLEXÍVEL E PROCESSO DE FABRICAÇÃO DE UMA LÂMPADA ELETROLUMINESCENTE.

PublicadaInvention Patent

Application data

Number

PI8702548

Type

Invention Patent

Filing

05/19/1987

Publication

12/06/1988

Progress at the INPI

  1. Filing05/19/87
  2. Publication12/06/88
  3. Examination01/08/91
  4. Allowance08/24/93
  5. Grant04/26/94
  6. Expired07/29/08

The letters patent expired on 07/29/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Luminescent Electronics, Inc.

US

Inventors

G. S. (pessoa física)

US

G. S. (pessoa física)

US

N. S. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/06/1988

RPI 946

Pedido de patente depositado

#2.1

08/04/1987

RPI 876

Carta-patente expirada

#21.1

Patente extinta em 19/05/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

04/26/1994

RPI 1221

Deferimento

#9.1

08/24/1993

RPI 1186

Exigência - art. 36 da LPI

#6.1

04/27/1993

RPI 1169

Solicitação de exame técnico

#4.1

01/08/1991

RPI 1049

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