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Official data from INPI

PROCESSO PARA A PRODUCAO DE UMA MASSA DE ACO EM FUSAO PARA O PROCESSO DE FUNDICAO CONTINUA

Em AnáliseInvention Patent
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Application data

Number

PI7603910

Type

Invention Patent

Filing

06/18/1975

Publication

-
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Progress at the INPI

  1. Filing06/18/75
  2. Publication
  3. Examination
  4. Refused11/29/83
  5. Grant
  6. In force

The application was refused on 11/29/1983 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/29/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

THYS SEN NIEDERRHEIN AG HUTTEN

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

11/29/1983

RPI 684

15.0

11/24/1981

RPI 579

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