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Official data from INPI

APERFEICOAMENTO EM PROCESSO DE TRATAMENTO SUB-ZERO DE CILINDROS DE LAMINACAO DE ACO FORJADO

Em AnáliseInvention Patent

Application data

Number

PI7803388

Type

Invention Patent

Filing

05/26/1978

Publication

-

Progress at the INPI

  1. Filing05/26/78
  2. Publication
  3. Examination
  4. Refused06/27/89
  5. Grant
  6. In force

The application was refused on 06/27/1989 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: 06/27/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LIQUID CARBONIC IND SA

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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

06/27/1989

RPI 975

Petição de recurso

#12.2

09/06/1988

RPI 933

Indeferimento

#9.2

05/31/1988

RPI 919

Exigência - art. 36 da LPI

#6.1

01/26/1982

RPI 588

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