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Official data from INPI

SISTEMA DE TRANSMISSAO PARA SISTEMAS PCM

ConcedidaInvention Patent

Application data

Number

PI8104082

Type

Invention Patent

Filing

06/30/1980

Publication

03/16/1982

Progress at the INPI

  1. Filing06/30/80
  2. Publication03/16/82
  3. Examination01/24/84
  4. Allowance07/30/85
  5. Grant02/04/86
  6. Terminated09/13/94

The patent was granted on 02/04/1986 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: 02/04/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ITALTEL SPA [IT]

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Inventors

D. D. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/04/1986

RPI 798

Notificação para pagamento de retribuição

#13.1

11/26/1985

RPI 788

Deferimento

#9.1

07/30/1985

RPI 771

Republicação - classificação IPC

#15.11

01/08/1985

RPI 742

Exigência - art. 36 da LPI

#6.1

12/26/1984

RPI 740

Exigência - art. 36 da LPI

#6.1

07/24/1984

RPI 718

Solicitação de exame técnico

#4.1

01/24/1984

RPI 692

Publicação do pedido de patente

#3.1

03/16/1982

RPI 595

Anuidade - prazo legal encerrado

#18.2

09/13/1994

RPI 1241

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