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Official data from INPI

DISPOSITIVO DE MICROPROCESSADORES COM IMPLEMENTAÇÃO DE PRIVILÉGIO PARA USO NA PROTEÇÃO AO ACERVO DE PROGRAMAS E DOCUMENTOS

PublicadaInvention Patent

Application data

Number

PI8705865

Type

Invention Patent

Filing

11/03/1987

Publication

06/14/1988

Progress at the INPI

  1. Filing11/03/87
  2. Publication06/14/88
  3. Examination09/25/90
  4. Allowance02/01/94
  5. Grant06/28/94
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. C. (pessoa física)

US

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Inventors

T. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

927,286 · 11/05/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

06/14/1988

RPI 921

Pedido de patente depositado

#2.1

02/09/1988

RPI 903

Carta-patente expirada

#21.1

Patente extinta em 03/11/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

06/28/1994

RPI 1230

Deferimento

#9.1

02/01/1994

RPI 1209

Solicitação de exame técnico

#4.1

09/25/1990

RPI 1034

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