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Official data from INPI

SISTEMA PARA EXTRACAO E CONVERSAO DE ENERGIA ELETRICA TRANSPORTADORA POR UMA LINHA DE TRANSMISSAO DE CORRENTE CONTINUA DE ALTA TENSAO PARA ALIMENTACAO DE UMA CARGA COM POTENCIA COMPLEXA

Em AnáliseInvention Patent

Application data

Number

PI7704156

Type

Invention Patent

Filing

06/27/1977

Publication

-

Progress at the INPI

  1. Filing06/27/77
  2. Publication
  3. Examination
  4. Allowance01/05/82
  5. Grant08/31/82
  6. Terminated12/15/87

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.

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Latest action published by the INPI: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. Q. (pessoa física)

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Inventors

B. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

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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