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Patent europeic · EP4295013 · Stritgà

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Numer da publicaziun
EP4295013
Numer da la dumonda
EP22756779
Gener
Patent europeic cun effect per la Svizra ed il Liechtenstein
Status
Stritgà
Scrittira da patent
Concedì
Annunzià
15-02-2022
Publitgà
27-12-2023
Concedì
12-11-2025
Stritgà
23-09-2026
Motiv
Taxa annuala betg pajada
Classas IPC
E21B 33/04 (2006.01)
Prioritad
US 202163150010 P 16.02.2021
Dumonda PCT
PCT/US2022/016450 15.02.2022
Publicaziun PCT
WO2022/177899 25.08.2022
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. 23-09-2026

    Stritgà, taxa betg pajada

    Status of protective title
    Active → Cancelled
    Cancellation date
    23.09.2026
    Cause for cancellation
    Non-payment of renewal fee

    Published in Swissreg on 23.09.2026

  2. 23-09-2026

    Midada

    Published in Swissreg on 23.09.2026

  3. 12-11-2025

    Concedì

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

    Published in Swissreg on 12.11.2025

Partidas

Inventur

GUIDRY, Kirk

Houston, Texas 77043, US

NGUYEN, Dennis P.

Houston, Texas 77072, US

HEINRICH, Barret

Houston, Texas 77042, US

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.