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Official data from INPI

PROCESSO PARA INIBIR ALUMINIO EM UMA SOLUCAO ALCALINA

Em AnáliseInvention Patent

Application data

Number

PI7708557

Type

Invention Patent

Filing

12/23/1976

Publication

-

Progress at the INPI

  1. Filing12/23/76
  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.

Talk to a specialist

Latest action published by the INPI: 03/07/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HENKEL KGAA

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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).

111

03/07/1984

RPI 698

Petição de recurso

#12.2

04/27/1982

RPI 601

Indeferimento

#9.2

01/12/1982

RPI 586

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