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Official data from INPI

APERFEIÇOAMENTO DO PROCESSO DE DESCARBURAÇÃO, DESSULFURAÇÃO, DESSULFURAÇÃO, DESCARBURAÇÀO SIMULTÂNEAS, E DESCARBURAÇÀO DESSULFURAÇÃO E OU DESCARBURAÇÃO DESSULFURAÇÀO SIMULTÂNEA DE FERRO GUSA DE PRIMEIRA FUSÃO E OU FERRO FUNDIDO DE SEGUNDA FUSÃO

IndeferidaInvention Patent

Application data

Number

PI7906023

Type

Invention Patent

Filing

09/20/1979

Publication

-

Progress at the INPI

Under appeal
  1. Filing09/20/79
  2. Publication
  3. Examination
  4. Refused06/26/84
  5. Grant
  6. In force

The application was refused by the INPI on 06/26/1984. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 06/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Liquid Carbonic Indústrias S/A

RJ, BR

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Inventors

D. J. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

06/26/1984

RPI 714

Conhecimento de parecer técnico

#7.1

03/29/1983

RPI 649

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