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European patent · EP4133579 · Deleted

Register entry

Publication number
EP4133579
Application number
EP21785508
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Mar 11, 2021
Published
Feb 15, 2023
Granted
Sep 10, 2025
Deleted
Oct 23, 2026
Reason
Annual fee unpaid
IPC classes
H02K 5/132 (2006.01)
H02K 5/124 (2006.01)
H02K 11/20 (2016.01)
F04D 29/40 (2006.01)
H02K 9/19 (2006.01)
H02K 1/2796 (2022.01)
F04D 29/62 (2006.01)
F04D 29/64 (2006.01)
H02K 1/12 (2006.01)
H02K 21/24 (2006.01)
H02K 7/08 (2006.01)
H02K 5/22 (2006.01)
F04D 13/06 (2006.01)
F04D 13/10 (2006.01)
E21B 43/12 (2006.01)
H02K 7/00 (2006.01)
H02K 7/14 (2006.01)
H02K 16/00 (2006.01)
H02K 16/04 (2006.01)
Priority
US 202063007052 P 08.04.2020
US 202117196223 09.03.2021
PCT application
PCT/US2021/021929 11.03.2021
PCT publication
WO2021/206853 14.10.2021
Filing language
English
Source
Swissreg

History

What the Federal Institute of Intellectual Property published about this title, newest first.

  1. Oct 23, 2026

    Deleted, fee unpaid

    Status of protective title
    Active → Cancelled
    Cancellation date
    23.10.2026
    Cause for cancellation
    Non-payment of renewal fee

    Published in Swissreg on 23.10.2026

  2. Jul 22, 2026

    Change

    Published in Swissreg on 22.07.2026

  3. Sep 10, 2025

    Granted

    Specification status
    Non-published patent application → Granted patent
    Status of protective title
    Initiated → Active

    Published in Swissreg on 10.09.2025

Parties

Holder

Halliburton Energy Services, Inc.

Houston, TX 77032-3219, US

Inventor

SHETH, Ketankumar Kantilal

Tulsa, Oklahoma 74136, US

BROWN, Donn J.

Broken Arrow, Oklahoma 74014, US

BECK, David Christopher

Broken Arrow, Oklahoma 74012, US

DE LONG, Robert Charles

Sand Springs, Oklahoma 74063, US

KOPECKY, Trevor Alan

Owasso, Oklahoma 74055, US

The register names each party by name and address. A holder or agent is linked to an organization where exactly one entity of the commercial register bears its name; the street of a party not so recognised is not shown here.