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Official data from INPI

PROCESSO PARA RECUPERACAO DE PETROLEO DE UMA FORMACAO SUBTERRANEA PERMEAVEL CONTENDO PETROLEO

ArquivadaInvention Patent

Application data

Number

PI7804877

Type

Invention Patent

Filing

12/22/1977

Publication

-

Progress at the INPI

  1. Filing12/22/77
  2. Publication
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 12/20/1983. 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

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

12/20/1983

RPI 687

Exigência - art. 36 da LPI

#6.1

03/15/1983

RPI 647

Republicação - classificação IPC

#15.11

09/08/1982

RPI 620

Exigência - art. 36 da LPI

#6.1

07/20/1982

RPI 613

6.2

01/26/1982

RPI 588

Pedido de certificado de adição de invenção

#5.1

10/13/1981

RPI 573

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