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Official data from INPI

DISPOSITIVO PARA A CODIFICACAO E A DECODIFICACAO DE SINAIS DE VIDEO E DE AUDIO E DISPOSITIVO PARA A DECODIFICACAO DE SINAIS DE TELEVISAO

ConcedidaInvention Patent

Application data

Number

PI8102970

Type

Invention Patent

Filing

05/14/1980

Publication

02/02/1982

Progress at the INPI

  1. Filing05/14/80
  2. Publication02/02/82
  3. Examination06/29/82
  4. Allowance04/16/85
  5. Grant10/29/85
  6. Terminated06/20/95

The patent was granted on 10/29/1985 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: 10/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

OAK INDUSTRIES INC

Inventors

D. P. (pessoa física)

F. P. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/29/1985

RPI 784

Notificação para pagamento de retribuição

#13.1

08/06/1985

RPI 772

Deferimento

#9.1

04/16/1985

RPI 756

Republicação - classificação IPC

#15.11

01/08/1985

RPI 742

Exigência - art. 36 da LPI

#6.1

07/03/1984

RPI 715

Solicitação de exame técnico

#4.1

06/29/1982

RPI 610

Publicação do pedido de patente

#3.1

02/02/1982

RPI 589

Anuidade - prazo legal encerrado

#18.2

06/20/1995

RPI 1281

Pedido de licença compulsória

#20.1

11/03/1992

RPI 1144

20.7

10/27/1992

RPI 1143

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