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Patent europeic · EP3935261 · Stritgà

Inscripziun en il register

Numer da publicaziun
EP3935261
Numer da la dumonda
EP20769775
Gener
Patent europeic cun effect per la Svizra ed il Liechtenstein
Status
Stritgà
Scrittira da patent
Concedì
Annunzià
06-03-2020
Publitgà
12-01-2022
Concedì
16-04-2025
Stritgà
23-10-2026
Motiv
Taxa annuala betg pajada
Classas IPC
E21B 43/08 (2006.01)
E21B 43/02 (2006.01)
E21B 43/12 (2006.01)
G05D 7/01 (2006.01)
Prioritad
US 201962815595 P 08.03.2019
US 201962946155 P 10.12.2019
Dumonda PCT
PCT/CA2020/050298 06.03.2020
Publicaziun PCT
WO2020/181364 17.09.2020
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. 23-10-2026

    Stritgà, taxa betg pajada

    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. 25-02-2026

    Midada

    Published in Swissreg on 25.02.2026

  3. 16-04-2025

    Concedì

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

    Published in Swissreg on 16.04.2025

Partidas

Possessur

NCS Multistage Inc.

Calgary, Alberta T2C 4X5, CA

Inventur

MBERIA, Stanley

Calgary, Alberta T2C 4X5, CA

BRUNSKILL, Doug

Calgary, Alberta T2C 4X5, 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.