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Official data from INPI

Dispositivo de circuito para a determinação do sentido do fluxo de enrgia em um rede de suprimento de energia elétrica.

ArquivadaInvention Patent

Application data

Number

PI8103368

Type

Invention Patent

Filing

05/29/1981

Publication

02/16/1982

Progress at the INPI

  1. Filing05/29/81
  2. Publication02/16/82
  3. Examination03/27/84
  4. Allowance05/28/85
  5. Abandoned
  6. In force

The application was allowed on 05/28/1985 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 07/08/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. A. (pessoa física)

DE

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Inventors

O. W. (pessoa física)

P. H. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 30 21 003.8 · 05/30/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

07/08/1986

RPI 820

Notificação para pagamento de retribuição

#13.1

09/17/1985

RPI 778

Deferimento

#9.1

05/28/1985

RPI 762

Exigência - art. 36 da LPI

#6.1

09/04/1984

RPI 724

Solicitação de exame técnico

#4.1

03/27/1984

RPI 701

Publicação do pedido de patente

#3.1

02/16/1982

RPI 591

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