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Official data from INPI

CONJUNTO DE RETENÇÃO MECÂNICA E MÉTODO PARA RETER UMA COLUNA DE LIGAÇÃO POR EXTENSÃO DE POÇO

Em AnáliseInvention Patent

Application data

Number

102015016971

Type

Invention Patent

Filing

07/15/2015

Publication

01/19/2016

Progress at the INPI

  1. Filing07/15/15
  2. Publication01/19/16
  3. Examination
  4. Allowance01/18/22
  5. Grant03/22/22
  6. In force07/15/35

The patent was granted on 03/22/2022 and is in force until 07/15/2035. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:07/15/2035

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Latest action published by the INPI: 03/25/2025. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DRIL-QUIP, INC.

US

INNOVEX INTERNATIONAL, INC.

US

See this company's full portfolio

Inventors

C. P. (pessoa física)

US

F. K. (pessoa física)

US

J. Y. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

62/025,380 · 07/16/2014

Abstract

ABSTRACT An improved hold-down assembly for a well tie-back string and methods of use of the same are disclosed. The improved hold-down assembly includes a tie-back string and a hold-down assembly coupled to the tie-back string. The hold-down assembly includes one or more slips and a packer assembly disposed about the tie-back string.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Alteração de nome deferida

#25.4

03/25/2025

RPI 2829

Concessão da patente

#16.1

20 (vinte) anos contados a partir de 15/07/2015, observadas as condições legais

03/22/2022

RPI 2672

Deferimento

#9.1

01/18/2022

RPI 2663

Exigência preliminar

#6.21

05/26/2020

RPI 2577

Notificação de acesso ao patrimônio genético

#6.6.1

10/30/2018

RPI 2495

Publicação do pedido de patente

#3.1

01/19/2016

RPI 2350

Pedido de patente depositado

#2.1

10/06/2015

RPI 2335

Requerimento de pedido de patente

#2.10

Número de Protocolo 860150150193 em 15/07/2015 03:53(WB).

07/28/2015

RPI 2325

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