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Official data from INPI

DISPOSITIVO DE ACESSO À MEMÓRIA PARA UM SISTEMA DE COMPUTADOR ADAPTADO PARA ACEITAR UM MÓDULO DE EXPANSÃO DE MEMÓRIA

Em ExigênciaInvention Patent

Application data

Number

PI8403983

Type

Invention Patent

Filing

08/09/1984

Publication

07/09/1985

Progress at the INPI

  1. Filing08/09/84
  2. Publication07/09/85
  3. Examination07/21/87
  4. Allowance04/03/90
  5. Grant08/28/90
  6. Terminated06/20/95

The patent was granted on 08/28/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. C. (pessoa física)

US

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Inventors

D. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

522.893 · 08/12/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

10/31/1989

RPI 993

Solicitação de exame técnico

#4.1

07/21/1987

RPI 874

Publicação do pedido de patente

#3.1

07/09/1985

RPI 768

Pedido de patente depositado

#2.1

10/16/1984

RPI 730

Anuidade - prazo legal encerrado

#18.2

06/20/1995

RPI 1281

20.12

07/06/1993

RPI 1179

Pedido de licença compulsória

#20.1

05/18/1993

RPI 1172

Republicação - classificação IPC

#15.11

09/03/1991

RPI 1083

Concessão da patente

#16.1

08/28/1990

RPI 1030

Deferimento

#9.1

04/03/1990

RPI 1012

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