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Official data from INPI

PROCESSO DE AUMENTO DE PRODUÇÃO DE HIDROCARBONETOS A PARTIR DE UMA FORMAÇÃO SUBTERRÂNEA CONTENDO HIDROCARBONETOS E APERFEÇOAMENTO EM UM PROCESSO DE FRATURA DE UMA FORMAÇÃO SUBTERRÂNEA.

Em AnáliseInvention Patent

Application data

Number

PI8300581

Type

Invention Patent

Filing

02/07/1983

Publication

11/08/1983

Progress at the INPI

  1. Filing02/07/83
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. In force

The application was filed at the INPI on 02/07/1983. It awaits formal examination and publication in the RPI gazette.

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Latest action published by the INPI: 10/06/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Halliburton Company

US

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Inventors

B. E. (pessoa física)

P. S. (pessoa física)

Technical data

IPC Classification

Priority claims

US

355,660 · 03/08/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

10/06/1987

RPI 885

Pedido de certificado de adição de invenção

#5.1

01/07/1986

RPI 794

Solicitação de exame técnico

#4.1

10/29/1985

RPI 784

Publicação do pedido de patente

#3.1

11/08/1983

RPI 681

Pedido de patente depositado

#2.1

03/22/1983

RPI 648

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