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Official data from INPI

REDE PARA COMUTAÇÃO DE MENSAGENS ENTRE UMA PLURALIDADE DE UNIDDE DE PROCESSAMENTO

Em AnáliseInvention PatentPCT · EP1986000785

Application data

Number

PI8607353

Type

Invention Patent

Filing

12/12/1986

Publication

03/14/1989

PCT

EP1986000785

Progress at the INPI

  1. Filing12/12/86
  2. Publication03/14/89
  3. Examination10/24/89
  4. Allowance06/25/91
  5. Grant02/18/92
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Italtel Società Italiana Telecomunicazioni S P A

IT

Inventors

R. P. (pessoa física)

Technical data

Priority claims

IT

19639A/86 · 03/05/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/24/1989

RPI 992

Notificação de entrada na fase nacional - PCT

#1.3

03/14/1989

RPI 960

Carta-patente expirada

#21.1

Patente extinta em 12/12/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

02/18/1992

RPI 1107

Notificação para pagamento de retribuição

#13.1

10/22/1991

RPI 1090

Deferimento

#9.1

06/25/1991

RPI 1073

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