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Official data from INPI

Aperfeiçoamento em processo para produção de aço ao silício eletromagnético que tem uma orientação de cubo na borda aço ao silício orientado com cubo na borda; e aço recristalizado primário.

ArquivadaInvention Patent

Application data

Number

PI7807972

Type

Invention Patent

Filing

12/05/1978

Publication

-

Progress at the INPI

  1. Filing12/05/78
  2. Publication
  3. Examination
  4. Allowance09/27/83
  5. Abandoned
  6. In force

The application was allowed on 09/27/1983 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

A. C. (pessoa física)

US

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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

01/17/1984

RPI 691

Deferimento

#9.1

09/27/1983

RPI 675

Exigência - art. 36 da LPI

#6.1

01/11/1983

RPI 638

4.2.1

12/29/1981

RPI 584

4.2.1

11/03/1981

RPI 576

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