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Official data from INPI

APERFEICOAMENTOS EM PROCESSO DE DESCARBURACAO E EM PROCESSO DE DESGASEIFICACAO DE ACOS AO CARBONO,ACOS DE BAIXA OU ALTA LIGA

Em AnáliseInvention Patent

Application data

Number

PI7900182

Type

Invention Patent

Filing

01/11/1979

Publication

-

Progress at the INPI

  1. Filing01/11/79
  2. Publication
  3. Examination
  4. Refused03/13/90
  5. Grant
  6. In force

The application was refused on 03/13/1990 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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LIQUID CARBONIC IND SA

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Inventors

D. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Petição de recurso

#12.2

05/30/1989

RPI 971

Indeferimento

#9.2

02/14/1989

RPI 956

Conhecimento de parecer técnico

#7.1

02/21/1984

RPI 696

Republicação - classificação IPC

#15.11

01/18/1983

RPI 639

111

03/13/1990

RPI 1009

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