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Official data from INPI

DECODIFICADOR E PROCESSO DE DECODIFICAR SINAIS DE VÍDEO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9003532

Type

Invention Patent

Filing

07/20/1990

Publication

08/27/1991

Progress at the INPI

  1. Filing07/20/90
  2. Publication08/27/91
  3. Examination04/14/92
  4. Allowance09/12/95
  5. Grant05/28/96
  6. Expired05/25/10

The letters patent expired on 05/25/2010: 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: 05/25/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Oak Industries Inc

US

OCI Communications Inc

US

Inventors

A. W. (pessoa física)

US

M. H. (pessoa física)

US

R. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

382.899 · 07/21/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/07/2005

05/25/2010

RPI 2055

Concessão da patente

#16.1

05/28/1996

RPI 1330

Deferimento

#9.1

09/12/1995

RPI 1293

Exigência - art. 36 da LPI

#6.1

01/03/1995

RPI 1257

Conhecimento de parecer técnico

#7.1

06/14/1994

RPI 1228

Solicitação de exame técnico

#4.1

04/14/1992

RPI 1115

14.1

12/31/1991

RPI 1100

14.7

12/17/1991

RPI 1098

Publicação do pedido de patente

#3.1

08/27/1991

RPI 1082

Pedido de patente depositado

#2.1

11/06/1990

RPI 1040

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