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Official data from INPI

CONEXÃO TUBULAR, PROCESSO DE ESTABILIZAR UMA CONEXÃO TUBULAR, ROSCA PARA USO EM CONEXÕES TUBULARES, E PEÇA DE CONEXÃO TUBULAR

ArquivadaInvention PatentPCT · US1993001308

Application data

Number

PI9306070

Type

Invention Patent

Filing

02/16/1993

Publication

01/13/1998

PCT

US1993001308

Progress at the INPI

  1. Filing02/16/93
  2. Publication01/13/98
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/25/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Marubeni Tubulars, Inc.

US

Inventors

E. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/848,508 · 03/09/1992

US

07/913,105 · 07/14/1992

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

11.30

Prazo encerrado durante a vigência da Lei 5772/71.

04/25/2000

RPI 1529

Notificação de entrada na fase nacional - PCT

#1.3

01/13/1998

RPI 1412

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