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Official data from INPI

APERFEICOAMENTO DO PROCESSO DE DESCARBURACAO DE FERRO GUSA DE PRIMEIRA FUSAO E OU FERRO FUNDIDO DE SEGUNDA FUSAO

Em AnáliseInvention Patent

Application data

Number

PI7801490

Type

Invention Patent

Filing

03/10/1978

Publication

-

Progress at the INPI

Under appeal
  1. Filing03/10/78
  2. Publication
  3. Examination
  4. Refused03/30/82
  5. Grant
  6. In force

The application was refused by the INPI on 03/30/1982. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 09/28/1982. 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).

15.0

09/28/1982

RPI 623

Indeferimento

#9.2

03/30/1982

RPI 597

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