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Official data from INPI

DESMODULADOR DE UM SINAL MODULADO EM FREQUENCIA

Em AnáliseInvention Patent

Application data

Number

PI8105905

Type

Invention Patent

Filing

09/16/1980

Publication

06/08/1982

Progress at the INPI

  1. Filing09/16/80
  2. Publication06/08/82
  3. Examination06/12/84
  4. Allowance01/02/85
  5. Grant05/28/85
  6. Terminated07/12/88

The patent was granted on 05/28/1985 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

T. C. (pessoa física)

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Inventors

F. M. (pessoa física)

M. A. (pessoa física)

Technical data

IPC Classification

No IPC classification.

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

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

04/23/1985

RPI 757

Deferimento

#9.1

01/02/1985

RPI 741

Solicitação de exame técnico

#4.1

06/12/1984

RPI 712

Publicação do pedido de patente

#3.1

06/08/1982

RPI 607

Pedido de patente depositado

#2.1

10/27/1981

RPI 575

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