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Official data from INPI

PROCESSO PARA APERFEICOAR A COMBUSTAO DE UM COMBUSTIVEL BASE,E COMPOSICAO COMBUSTIVEL

IndeferidaInvention Patent
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Application data

Number

PI7703901

Type

Invention Patent

Filing

06/16/1976

Publication

-
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Progress at the INPI

Under appeal
  1. Filing06/16/76
  2. Publication
  3. Examination
  4. Refused11/10/87
  5. Grant
  6. In force

The application was refused by the INPI on 11/10/1987. The invention was never patented.

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Latest action published by the INPI: 11/10/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

O. H. (pessoa física)

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

11/10/1987

RPI 890

Conhecimento de parecer técnico

#7.1

01/27/1987

RPI 849

15.0

10/27/1981

RPI 575

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