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Official data from INPI

Processador eletrônico de sinais.

ConcedidaInvention Patent

Application data

Number

PI8004056

Type

Invention Patent

Filing

06/27/1980

Publication

03/02/1982

Progress at the INPI

  1. Filing06/27/80
  2. Publication03/02/82
  3. Examination05/15/84
  4. Allowance05/27/86
  5. Grant12/30/86
  6. Terminated07/26/94

The patent was granted on 12/30/1986 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: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Centro de Pesquisas de Energia Elétrica - CEPEL

RJ, BR

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Inventors

L. F. (pessoa física)

S. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

09/23/1986

RPI 831

Deferimento

#9.1

05/27/1986

RPI 814

Exigência - art. 36 da LPI

#6.1

10/01/1985

RPI 780

Republicação - classificação IPC

#15.11

04/16/1985

RPI 756

Exigência - art. 36 da LPI

#6.1

12/26/1984

RPI 740

Solicitação de exame técnico

#4.1

05/15/1984

RPI 708

Publicação do pedido de patente

#3.1

03/02/1982

RPI 593

Anuidade - prazo legal encerrado

#18.2

07/26/1994

RPI 1234

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