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Official data from INPI

PROCESSO APERFEIÇOADO PARA CIMENTAR UMA PERFURAÇÃO, COMPOSIÇÃO DE CIMENTO HIDRÁULICO, COMPOSIÇÃO DE CIMENTO BOMBEÁVEL E APERFEIÇOAMENTO EM CIMENTO.

ArquivadaInvention Patent

Application data

Number

PI8003073

Type

Invention Patent

Filing

05/16/1980

Publication

-

Progress at the INPI

  1. Filing05/16/80
  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.

Talk to a specialist

Latest action published by the INPI: 10/02/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Halliburton Company

US

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Inventors

T. J. (pessoa física)

Technical data

IPC Classification

Priority claims

US

006,040 · 05/18/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

10/02/1984

RPI 728

Exigência - art. 36 da LPI

#6.1

01/17/1984

RPI 691

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C04B 7/00; C04B 31/02.

03/27/2018

RPI 2464

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