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Patent europeic · EP4248056 · En vigur

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Numer da publicaziun
EP4248056
Numer da la dumonda
EP21893174
Gener
Patent europeic cun effect per la Svizra ed il Liechtenstein
Status
En vigur
Scrittira da patent
Concedì
Annunzià
17-11-2021
Publitgà
27-09-2023
Concedì
27-05-2026
La protecziun finescha il pli tard
16-11-2041
Proxima taxa annuala scadenta
30-11-2026
Classas IPC
E21B 33/08 (2006.01)
E21B 33/06 (2006.01)
Prioritad
US 202063115720 P 19.11.2020
Dumonda PCT
PCT/CA2021/051627 17.11.2021
Publicaziun PCT
WO2022/104461 27.05.2022
Lingua da l’annunzia
englais
Funtauna
Swissreg

Istorgia

Quai che l’Institut federal da la proprietad intellectuala ha publitgà davart quest titel, il pli nov l’emprim.

  1. 27-05-2026

    Concedì

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

    Published in Swissreg on 27.05.2026

Partidas

Possessur

Citadel Drilling Ltd.

855 - 2 Street SW, Suite 3500, Calgary, Alberta T2P 4J8, CA

Inventur

SHPAK, Vitaliy

Calgary, Alberta T2P 1H4, CA

KHORSHIDIAN, Hossein

Calgary, Alberta T2P 1H4, CA

Il register numna mintga partida cun num ed adressa. In possessur u in represchentant vegn collià cun in’organisaziun, sch’exact ina unitad giuridica dal register da commerzi porta ses num; la via d’ina partida betg enconuschida uschia na vegn betg mussada qua.