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Official data from INPI

PROCESSO E CIRCUITO PARA RECUPERAÇÃO DA PORTADORA DE UM SINAL MODULADO EM AMPLITUDE E FASE POR MEIO DE SINAIS DIGITAIS.

Em AnáliseInvention Patent

Application data

Number

PI8206516

Type

Invention Patent

Filing

11/10/1982

Publication

09/27/1983

Progress at the INPI

  1. Filing11/10/82
  2. Publication09/27/83
  3. Examination01/24/84
  4. Allowance02/12/85
  5. Grant10/01/85
  6. Terminated11/29/88

The patent was granted on 10/01/1985 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: 11/29/1988. 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

P. P. (pessoa física)

Technical data

IPC Classification

Priority claims

IT

68462-A/81 · 11/12/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/29/1988

RPI 945

Concessão da patente

#16.1

10/01/1985

RPI 780

Notificação para pagamento de retribuição

#13.1

05/28/1985

RPI 762

Republicação - classificação IPC

#15.11

05/21/1985

RPI 761

Deferimento

#9.1

02/12/1985

RPI 747

Solicitação de exame técnico

#4.1

01/24/1984

RPI 692

Publicação do pedido de patente

#3.1

09/27/1983

RPI 675

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