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Official data from INPI

PROCESSO E DISPOSIÇÃO DE CIRCUITO PARA A TRANSMISSÃO PCM DE ESTADOS DE ENLACE E DE PULSOS DE CONTAGEM PARA SISTEMAS TELEFÔNICOS

ConcedidaInvention Patent

Application data

Number

PI8202008

Type

Invention Patent

Filing

04/07/1919

Publication

03/15/1983

Progress at the INPI

  1. Filing04/07/19
  2. Publication03/15/83
  3. Examination04/09/85
  4. Allowance01/06/87
  5. Grant07/28/87
  6. Terminated02/11/92

The patent was granted on 07/28/1987 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: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. A. (pessoa física)

DE

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Inventors

C. E. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 31 14 454.3 · 04/09/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/28/1987

RPI 875

Notificação para pagamento de retribuição

#13.1

06/09/1987

RPI 868

Deferimento

#9.1

01/06/1987

RPI 846

Exigência - art. 36 da LPI

#6.1

12/17/1985

RPI 791

Solicitação de exame técnico

#4.1

04/09/1985

RPI 755

Publicação do pedido de patente

#3.1

03/15/1983

RPI 647

Pedido de patente depositado

#2.1

06/01/1982

RPI 606

Anuidade - prazo legal encerrado

#18.2

02/11/1992

RPI 1106

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