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Official data from INPI

INTERFACE MÚLTIPLA DE COMUNICAÇÃO ENTRE PROCESSADOR E MEIO DE TRANSMISSÃO DIGITAL.

Em AnáliseInvention Patent

Application data

Number

PI8303993

Type

Invention Patent

Filing

07/26/1983

Publication

03/07/1984

Progress at the INPI

  1. Filing07/26/83
  2. Publication03/07/84
  3. Examination07/10/84
  4. Allowance05/07/85
  5. Grant12/31/85
  6. Terminated07/12/88

The patent was granted on 12/31/1985 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cselt Centro Studi e Laboratori Telecomunicazioni S.p.a.

IT

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Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

IT

67944-A/82 · 07/27/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

12/31/1985

RPI 793

Notificação para pagamento de retribuição

#13.1

08/27/1985

RPI 775

Deferimento

#9.1

05/07/1985

RPI 759

Solicitação de exame técnico

#4.1

07/10/1984

RPI 716

Publicação do pedido de patente

#3.1

03/07/1984

RPI 698

Pedido de patente depositado

#2.1

10/04/1983

RPI 676

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