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Official data from INPI

CONEXAO TUBULAR TENDO UMA ROSCA PARALELA INCLINADA("CHEVRON")

Em AnáliseInvention Patent

Application data

Number

PI8406627

Type

Invention Patent

Filing

12/23/1983

Publication

10/15/1985

Progress at the INPI

  1. Filing12/23/83
  2. Publication10/15/85
  3. Abandoned11/24/87
  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: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TUBULAR CORP OF AMERICA [US]

Inventors

B. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/24/1987

RPI 892

Publicação do pedido de patente

#3.1

10/15/1985

RPI 782

Pedido de patente depositado

#2.1

03/12/1985

RPI 751

Arquivamento - Art. 36 §1° da LPI

#11.2

01/15/1991

RPI 1050

Exigência - art. 36 da LPI

#6.1

05/08/1990

RPI 1017

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