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Official data from INPI

PROCESSO DE TRATAMENTO E FRATURA DE UMA FORMACAO SUBTERRANEA,PROCESSO PARA DESVIAR FLUIDOS DE UMA ZONA DE UMA FORMACAO SUBTERRANEA E PROCESSO PARA TRATAMENTO DE POCO

Em AnáliseInvention Patent

Application data

Number

PI7903231

Type

Invention Patent

Filing

05/24/1978

Publication

-

Progress at the INPI

Technical opinion to answer
  1. Filing05/24/78
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 04/22/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

EXXON PRODUCTION RESEARCH CO

EXXON RESEARCH ENGINEERING CO

Inventors

N. N. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

04/22/1987

RPI 861

Conhecimento de parecer técnico

#7.1

11/16/1982

RPI 630

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