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Official data from INPI

CIRCUITO DE LEITURA/ESCRITA ÚNICA COM CABOS DE MÚLTIPLOS TAMANHOS PARA APARELHO DE EXIBIÇÃO VISUAL DE IMAGENS A CORES

Em ExigênciaInvention Patent

Application data

Number

PI8501703

Type

Invention Patent

Filing

04/11/1985

Publication

04/22/1986

Progress at the INPI

  1. Filing04/11/85
  2. Publication04/22/86
  3. Examination03/15/88
  4. Allowance11/13/90
  5. Grant03/26/91
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 12/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. C. (pessoa física)

US

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Inventors

S. W. (pessoa física)

JP

Y. A. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

101886/1984 · 05/22/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

12/12/1989

RPI 999

Solicitação de exame técnico

#4.1

03/15/1988

RPI 908

Publicação do pedido de patente

#3.1

04/22/1986

RPI 809

Pedido de patente depositado

#2.1

07/02/1985

RPI 767

Carta-patente expirada

#21.1

Patente extinta em 11/04/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

03/26/1991

RPI 1060

Deferimento

#9.1

11/13/1990

RPI 1041

Exigência - art. 36 da LPI

#6.1

07/24/1990

RPI 1025

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