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Official data from INPI

APERFEICOAMENTO EM PROCESSO PARA PRODUCAO DE ACO ELETROMAGNETICO AO SILICIO QUE TEM UMA ORIENTACAO DE CUBO NA BORDA;E ACO AO SILICIO COM ORIENTACAO DE CUBO NA BORDA

ArquivadaInvention Patent

Application data

Number

PI7804697

Type

Invention Patent

Filing

10/12/1977

Publication

-

Progress at the INPI

  1. Filing10/12/77
  2. Publication
  3. Examination
  4. Allowance08/02/83
  5. Abandoned
  6. In force

The application was allowed on 08/02/1983 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

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Latest action published by the INPI: 06/19/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ALLEGHENY LUDLUM IND INC

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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

06/19/1984

RPI 713

Notificação para pagamento de retribuição

#13.1

11/22/1983

RPI 683

Deferimento

#9.1

08/02/1983

RPI 667

15.0

08/10/1982

RPI 616

Exigência - art. 36 da LPI

#6.1

07/27/1982

RPI 614

6.2

02/02/1982

RPI 589

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