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Official data from INPI

Processo e aparelho para aremoção de gases de particulas em um forno de aquecimento.

ArquivadaInvention Patent

Application data

Number

PI7707528

Type

Invention Patent

Filing

11/10/1977

Publication

-

Progress at the INPI

  1. Filing11/10/77
  2. Publication
  3. Examination
  4. Allowance05/31/83
  5. Abandoned
  6. In force

The application was allowed on 05/31/1983 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: 03/20/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Allegheny Ludlum Industries 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

03/20/1984

RPI 700

Notificação para pagamento de retribuição

#13.1

09/27/1983

RPI 675

Deferimento

#9.1

05/31/1983

RPI 658

Exigência - art. 36 da LPI

#6.1

08/03/1982

RPI 615

6.2

02/02/1982

RPI 589

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