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Official data from INPI

ESTABILIZADOR CORREDIÇO DE DUPLA CONICIDADE PARA FERRAMENTA DE PERFURAÇÃO.

ArquivadaInvention Patent

Application data

Number

PI8502674

Type

Invention Patent

Filing

05/29/1985

Publication

02/12/1986

Progress at the INPI

  1. Filing05/29/85
  2. Publication02/12/86
  3. Abandoned11/10/87
  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.

Talk to a specialist

Latest action published by the INPI: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dailey Petroleum Services, Corp.

US

Inventors

T. B. (pessoa física)

Technical data

IPC Classification

Priority claims

US

614474 · 05/29/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

09/05/1989

RPI 985

6.2

02/14/1989

RPI 956

Solicitação de exame técnico

#4.1

11/10/1987

RPI 890

Publicação do pedido de patente

#3.1

02/12/1986

RPI 799

Pedido de patente depositado

#2.1

08/27/1985

RPI 775

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