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Official data from INPI

PROCESSO E DISPOSITIVO DE EXCITAÇÃO DE DIPOSITIVO NÃO-LINEARES DE LIMITE.

Em AnáliseInvention Patent

Application data

Number

PI7906178

Type

Invention Patent

Filing

09/26/1979

Publication

-

Progress at the INPI

  1. Filing09/26/79
  2. Publication
  3. Examination
  4. Allowance04/19/83
  5. Grant12/27/83
  6. Terminated07/12/88

The patent was granted on 12/27/1983 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

Cselt Centro Studi e Laboratori Telecomunicazioni S.p.a.

IT

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Inventors

F. A. (pessoa física)

S. V. (pessoa física)

Technical data

IPC Classification

Priority claims

IT

69.299-A/78 · 10/05/1978

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

12/27/1983

RPI 688

Notificação para pagamento de retribuição

#13.1

09/06/1983

RPI 672

Deferimento

#9.1

04/19/1983

RPI 652

Exigência - art. 36 da LPI

#6.1

08/03/1982

RPI 615

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