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Official data from INPI

SISTEMA DE TROCA E TRANSMISSÃO DE INFORMAÇÃO POR INTERMÉDIO DE REDE TELEFÔNICA DE ASSINANTE.32-A/79

ConcedidaInvention Patent

Application data

Number

PI8007182

Type

Invention Patent

Filing

11/05/1980

Publication

-

Progress at the INPI

  1. Filing11/05/80
  2. Publication
  3. Examination
  4. Allowance07/05/83
  5. Grant03/27/84
  6. Terminated08/02/94

The patent was granted on 03/27/1984 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: 03/27/1984. 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

A. A. (pessoa física)

Technical data

IPC Classification

Priority claims

IT

69232-A/79 · 11/19/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

11/08/1983

RPI 681

Deferimento

#9.1

07/05/1983

RPI 663

Exigência - art. 36 da LPI

#6.1

12/14/1982

RPI 634

Anuidade - prazo legal encerrado

#18.2

08/02/1994

RPI 1235

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