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Official data from INPI

PROCESSO PARA RECUPERAR PETROLEO DE UMA FORMACAO SUBTERRANEA PERMEAVEL,CONTENDO PETROLEO

Em AnáliseInvention Patent

Application data

Number

PI7707988

Type

Invention Patent

Filing

12/01/1976

Publication

-

Progress at the INPI

  1. Filing12/01/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. In force

The application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 05/08/1984. 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).

101

05/08/1984

RPI 707

120

01/25/1983

RPI 640

Recurso

#12.1

04/27/1982

RPI 601

Deferimento

#9.1

12/01/1981

RPI 580

15.0

11/17/1981

RPI 578

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