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Official data from INPI

SISTEMA DE TELEVISAO EM CORES PARA RECEBER UM SINAL DE TELEVISAO EM CORES COMPOSITO,CIRCUITO DE CORRECAO DE ALTOS DE DEGRAU INFERIDOS E PROCESSO PARA REDUZIR ERROS DE COR E DE LUMINANCIA NA EXIBICAO DE UM SINAL DE TELEVISAO EM CORES

Em AnáliseInvention Patent

Application data

Number

PI7804191

Type

Invention Patent

Filing

07/01/1977

Publication

-

Progress at the INPI

  1. Filing07/01/77
  2. Publication
  3. Examination
  4. Allowance01/05/82
  5. Grant08/31/82
  6. Terminated06/14/88

The patent was granted on 08/31/1982 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Q. T. (pessoa física)

Inventors

R. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

08/31/1982

RPI 619

Notificação para pagamento de retribuição

#13.1

05/04/1982

RPI 602

Deferimento

#9.1

01/05/1982

RPI 585

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