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Official data from INPI

APERFEICOAMENTO EM PROCESSO DE INJECAO DE PARTICULAS SOLIDAS DE BAIXA,MEDIA OU ALTA GRANULOMETRIA EM ACO AO CARBONO E ACOS DE BAIXA OU ALTA LIGA

Em AnáliseInvention Patent

Application data

Number

PI7803294

Type

Invention Patent

Filing

05/23/1978

Publication

-

Progress at the INPI

  1. Filing05/23/78
  2. Publication
  3. Examination
  4. Refused03/22/83
  5. Grant
  6. In force

The application was refused on 03/22/1983 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: 05/10/1983. 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).

133

05/10/1983

RPI 655

111

03/22/1983

RPI 648

Petição de recurso

#12.2

08/03/1982

RPI 615

Deferimento

#9.1

03/30/1982

RPI 597

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