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Official data from INPI

ESTABILIZADOR DE COLUNA DE SONDAGEM DESLIZÁVEL SOBRE A HASTE DE COMANDO DA BROCA.

Em AnáliseInvention Patent

Application data

Number

PI8603393

Type

Invention Patent

Filing

07/14/1986

Publication

02/24/1987

Progress at the INPI

  1. Filing07/14/86
  2. Publication02/24/87
  3. Abandoned02/08/89
  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: 02/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dailey Petroleum Services, Corp.

US

Inventors

P. N. (pessoa física)

T. B. (pessoa física)

Technical data

IPC Classification

Priority claims

US

755053 · 07/12/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/08/1989

RPI 955

Publicação do pedido de patente

#3.1

02/24/1987

RPI 853

Pedido de patente depositado

#2.1

12/30/1986

RPI 845

Arquivamento - Art. 36 §1° da LPI

#11.2

08/07/1990

RPI 1027

6.2

01/16/1990

RPI 1002

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