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Patent europeic · EP4253716 · En vigur
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- Numer da publicaziun
- EP4253716
- Numer da la dumonda
- EP23184359
- Gener
- Patent europeic cun effect per la Svizra ed il Liechtenstein
- Status
- En vigur
- Scrittira da patent
- Concedì
- Annunzià
- 12-04-2018
- Publitgà
- 04-10-2023
- Concedì
- 14-05-2025
- La protecziun finescha il pli tard
- 11-04-2038
- Proxima taxa annuala scadenta
- 30-04-2026
- Classas IPC
- E21B 43/04 (2006.01)E21B 17/046 (2006.01)E21B 17/18 (2006.01)
- Prioritad
- US 201762484884 P 12.04.2017
- Derivà da
- EP18720753
- 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.
- 25-03-2026
Midada
Published in Swissreg on 25.03.2026
- 14-05-2025
Concedì
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 14.05.2025
Partidas
Inventur
SESSA, Michael Joseph
Houston, 77095, US
CROWLEY, Scott
Houston, 77008, US
BRASSEAUX, Jason
Cypress, 77433, US
HORNSBY, Joshua
Tomball, 77377, US
HALL, Chris
Cypress, 77433, US
BOGGS, James Reginald
Houston, 77070, US
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