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Official data from INPI

122017028371

ConcedidaUtility ModelPCT · GB2010050093

Application data

Number

122017028371

Type

Utility Model

Filing

01/22/2010

Publication

-

PCT

GB2010050093

Progress at the INPI

  1. Filing01/22/10
  2. Publication
  3. Examination
  4. Allowance09/29/20
  5. Grant12/01/20
  6. In force01/22/25

The patent was granted on 12/01/2020 and is in force until 01/22/2025. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:01/22/2025

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Latest action published by the INPI: 12/01/2020. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PETROWELL LIMITED

GB

WEATHERFORD TECHNOLOGY HOLDINGS, LLC

US

See this company's full portfolio

Inventors

A. E. (pessoa física)

GB

I. M. (pessoa física)

GB

S. R. (pessoa física)

GB

Technical data

Priority claims

GB

0901034.9 · 01/22/2009

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10 (dez) anos contados a partir de 01/12/2020, observadas as condições legais

12/01/2020

RPI 2604

Deferimento

#9.1

09/29/2020

RPI 2595

Republicação - classificação IPC

#15.11

As Classificações Anteriores eram: E21B 17/07 , E21B 23/06 , E21B 33/129

09/10/2019

RPI 2540

6.20

05/21/2019

RPI 2524

Transferência deferida

#25.1

03/06/2019

RPI 2513

Notificação de pedido dividido

#2.4

Dividido do PI 1007234-9

02/05/2019

RPI 2509

Requerimento de pedido de patente

#2.10

Protocolo nº 870170102625, em 28/12/2017; 10:33 (WB); Dividido do PI 1007234-9

01/09/2018

RPI 2453

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