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Official data from INPI

APERFEIÇOAMENTO EM PAINEL LUMINOSO PARA FOTOS, PROPAGANDAS OU ASSEMELHADOS

Arquivada/ExtintaInvention Patent

Application data

Number

PI8906081

Type

Invention Patent

Filing

11/21/1989

Publication

06/26/1990

Progress at the INPI

  1. Filing11/21/89
  2. Publication06/26/90
  3. Examination10/23/90
  4. Allowance11/15/94
  5. Grant04/25/95
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. L. (pessoa física)

SP, BR

Y. K. (pessoa física)

SP, BR

Inventors

Y. K. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 21/11/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

04/25/1995

RPI 1273

Deferimento

#9.1

11/15/1994

RPI 1250

Exigência - art. 36 da LPI

#6.1

06/07/1994

RPI 1227

14.1

08/31/1993

RPI 1187

14.1

08/24/1993

RPI 1186

Solicitação de exame técnico

#4.1

10/23/1990

RPI 1038

Publicação antecipada

#3.2

06/26/1990

RPI 1024

Pedido de patente depositado

#2.1

03/20/1990

RPI 1010

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