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Official data from INPI

INSTALAÇÃO DE REPRODUÇÃO DE DADOS GRAVADOS SOB UMA FORMA NUMÉRICA EM UM DISCO ÓTICO E DISCO ÓTICO

Prazo de SigiloInvention Patent

Application data

Number

PI8806536

Type

Invention Patent

Filing

12/12/1988

Publication

07/31/1990

Progress at the INPI

  1. Filing12/12/88
  2. Publication07/31/90
  3. Examination10/27/92
  4. Allowance
  5. Grant
  6. In force

Published on 07/31/1990, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 04/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. L. (pessoa física)

FR

Inventors

B. B. (pessoa física)

M. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

04/18/1989

RPI 965

Republicação - classificação IPC

#15.11

A classificação anterior era: G11B 7/20.

08/28/2012

RPI 2173

Retificação

#15.3

09/27/1994

RPI 1243

Solicitação de exame técnico

#4.1

10/27/1992

RPI 1143

Publicação do pedido de patente

#3.1

07/31/1990

RPI 1026

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