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Official data from INPI

APARELHO DE FERRAMENTA DE SONDAGEM RESPONSIVA À PRESSÃO NO ANEL E PROCESSO PARA SUA OPERAÇÃO.

ArquivadaInvention Patent

Application data

Number

PI8404266

Type

Invention Patent

Filing

08/27/1984

Publication

07/23/1985

Progress at the INPI

  1. Filing08/27/84
  2. Publication07/23/85
  3. Abandoned05/05/87
  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: 02/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Halliburton Company

US

See this company's full portfolio

Inventors

H. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

533.835 · 09/19/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

02/08/1989

RPI 955

6.2

07/12/1988

RPI 925

Solicitação de exame técnico

#4.1

05/05/1987

RPI 863

Publicação do pedido de patente

#3.1

07/23/1985

RPI 770

Pedido de patente depositado

#2.1

10/30/1984

RPI 732

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