(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

APERFEICOAMENTO EM PROCESSO PARA A PRODUCAO DE ACO-SILICIO ELETROMAGNETICO TENDO UMA ORIENTACAO EM CUBO PELA ARESTA E ACO-SILICIO COM ORIENTACAO DE CUBO PELA ARESTA

ArquivadaInvention Patent

Application data

Number

PI7901466

Type

Invention Patent

Filing

03/16/1978

Publication

-

Progress at the INPI

  1. Filing03/16/78
  2. Publication
  3. Examination10/27/81
  4. Allowance10/25/83
  5. Abandoned
  6. In force

The application was allowed on 10/25/1983 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: 09/25/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ALLEGHENY LUDLUM IND INC

See this company's full portfolio

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

02/07/1984

RPI 694

Deferimento

#9.1

10/25/1983

RPI 679

Exigência - art. 36 da LPI

#6.1

01/11/1983

RPI 638

Solicitação de exame técnico

#4.1

10/27/1981

RPI 575

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.