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Official data from INPI

PROCESSO PARA A OPERAÇÃO DE UMA UNIDADE DE COMANDO CENTRAL/MULTIPROCESSADOR DE UM SISTEMA DE COMUTAÇÃO

Arquivada/ExtintaInvention PatentPCT · DE1987000123

Application data

Number

PI8707976

Type

Invention Patent

Filing

03/19/1987

Publication

03/20/1990

PCT

DE1987000123

Progress at the INPI

  1. Filing03/19/87
  2. Publication03/20/90
  3. Examination10/16/90
  4. Allowance08/25/92
  5. Grant04/27/93
  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.

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Latest action published by the INPI: 07/29/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. A. (pessoa física)

DE

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Inventors

A. L. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 19/03/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

04/27/1993

RPI 1169

Notificação para pagamento de retribuição

#13.1

12/29/1992

RPI 1152

Deferimento

#9.1

08/25/1992

RPI 1134

Solicitação de exame técnico

#4.1

10/16/1990

RPI 1037

Notificação de entrada na fase nacional - PCT

#1.3

03/20/1990

RPI 1010

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