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Official data from INPI

PROCESSO PARA A PURIFICACAO DE SUPERFICIES AUSTENICAS,ESPECIALMENTE DE CONTAMINACOES FERRITICAS

Em AnáliseInvention Patent

Application data

Number

PI7705198

Type

Invention Patent

Filing

08/05/1977

Publication

-

Progress at the INPI

  1. Filing08/05/77
  2. Publication
  3. Examination
  4. Refused03/07/84
  5. Grant
  6. In force

The application was refused on 03/07/1984 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: 03/07/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

VOEST ALPINE MONTAN AG

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Inventors

No inventors listed.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

03/07/1984

RPI 698

Republicação - classificação IPC

#15.11

02/22/1983

RPI 644

Petição de recurso

#12.2

06/22/1982

RPI 609

Indeferimento

#9.2

01/26/1982

RPI 588

15.0

01/12/1982

RPI 586

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