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Official data from INPI

OBTENÇÃO DO NIÓBIO (NB) METÁLICO E LIGAS REFRATÁRIAS POR ALIMINOTERMIA DE SEUS ÓXIDOS COM CARACTERÍSTICAS PRÓPRIAS AO REFINO POR FEIXE ELETRÔNICO.

ArquivadaInvention Patent

Application data

Number

PI8002954

Type

Invention Patent

Filing

05/13/1980

Publication

-

Progress at the INPI

  1. Filing05/13/80
  2. Publication
  3. Abandoned09/21/82
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/18/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fundação de Tecnologia Industrial FTI

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

12/18/1984

RPI 739

Exigência - art. 36 da LPI

#6.1

01/17/1984

RPI 691

Solicitação de exame técnico

#4.1

09/21/1982

RPI 622

Solicitação de exame não realizada

#4.2

04/06/1982

RPI 598

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