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Official data from INPI

EQUIPAMENTO FLUTUANTE DE AUTO-ENCHIMENTO

ArquivadaInvention Patent

Application data

Number

PI9203583

Type

Invention Patent

Filing

09/15/1992

Publication

04/13/1993

Progress at the INPI

  1. Filing09/15/92
  2. Publication04/13/93
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 09/15/1992 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/10/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Halliburton Company

US

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Inventors

C. I. (pessoa física)

US

H. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

760,423 · 09/16/1991

Abstract

Um mecanismo de auto-enchimento automático para equipamento flutuante que compreende um sistema de braço e adaptador de orelha associado com a chapeleta de válvula do equipamento flutuante para seletivamente reter a chapeleta de válvula aberta para encher uma coluna de tubos de revestimento sendo cimentada em um furo de sondagem.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

10/10/1995

RPI 1297

Publicação do pedido de patente

#3.1

04/13/1993

RPI 1167

Pedido de patente depositado

#2.1

10/13/1992

RPI 1141

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