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Official data from INPI

PROCESSO PARA A RECUPERACAO DE OLEO DE UMA FORMACAO SUBTERRANEA

IndeferidaInvention Patent

Application data

Number

PI7704977

Type

Invention Patent

Filing

07/28/1977

Publication

-

Progress at the INPI

Under appeal
  1. Filing07/28/77
  2. Publication
  3. Examination
  4. Refused12/22/81
  5. Grant
  6. In force

The application was refused by the INPI on 12/22/1981. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 12/22/1981. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TEXACO DEVELOPMENT CORP

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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).

Indeferimento

#9.2

12/22/1981

RPI 583

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