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Official data from INPI

DISPOSITIVO PARA FILTRAR UM CANAL DE FREQUENCIA,RECEPTOR DE TELEVISAO APERFEICOADO,E SELETOR DE CANAIS

Em AnáliseInvention Patent

Application data

Number

PI7804326

Type

Invention Patent

Filing

07/29/1977

Publication

-

Progress at the INPI

  1. Filing07/29/77
  2. Publication
  3. Examination
  4. Allowance04/12/83
  5. Grant10/25/83
  6. Terminated07/12/88

The patent was granted on 10/25/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TEXAS INSTRUMENTS INC

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Inventors

A. D. (pessoa física)

Technical data

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

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

08/30/1983

RPI 671

Deferimento

#9.1

04/12/1983

RPI 651

Exigência - art. 36 da LPI

#6.1

11/24/1981

RPI 579

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