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Official data from INPI

PROCESS PARA A RECUPERACAO DE PETROLEO DE UMA FORMACAO SUBTERRANEA E DE SELECIONAR OS INDICES DE INJECAO E PRODUCAO MAIS EFICIENTES

IndeferidaInvention Patent

Application data

Number

PI7905339

Type

Invention Patent

Filing

11/06/1978

Publication

-

Progress at the INPI

Under appeal
  1. Filing11/06/78
  2. Publication
  3. Examination07/13/82
  4. Refused01/17/84
  5. Grant
  6. In force

The application was refused by the INPI on 01/17/1984. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 01/17/1984. 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).

Indeferimento

#9.2

01/17/1984

RPI 691

Conhecimento de parecer técnico

#7.1

05/24/1983

RPI 657

Pedido de certificado de adição de invenção

#5.1

01/11/1983

RPI 638

Solicitação de exame técnico

#4.1

07/13/1982

RPI 612

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