GRABENSYSTEM
European patent · EP2456925 · Deleted
Register entry
- Publication number
- EP2456925
- Application number
- EP10802987
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- Deleted
- Specification
- Granted
- Filed
- Jul 23, 2010
- Published
- May 30, 2012
- Granted
- Jun 16, 2021
- Deleted
- Feb 23, 2022
- Reason
- Annual fee unpaid
- IPC classes
- E02F 5/30 (2006.01)E01C 23/00 (2006.01)E02F 5/02 (2006.01)E02F 3/18 (2006.01)E02F 3/24 (2006.01)E02F 3/92 (2006.01)E02F 5/08 (2006.01)E02F 5/10 (2006.01)E02F 5/12 (2006.01)
- Priority
- US 227935 P 23.07.2009US 353984 P 11.06.2010
- PCT application
- PCT/US2010/043122 23.07.2010
- PCT publication
- WO2011/011732 27.01.2011
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Apr 27, 2022
Change
Published in Swissreg on 27.04.2022
- Feb 23, 2022
Deleted, fee unpaid
Published in Swissreg on 23.02.2022
- Jun 16, 2021
Granted
Published in Swissreg on 16.06.2021
Parties
Inventor
SCHUERMANN, Andrew, A.
Perry OK 73077, US
BAZZELL, David, R.
Perry OK 73077, US
RUHL, Michael, C.
Stillwater OK 74075, US
STELLMAN, Vernon, T.
Stillwater OK 74075, US
SEABOLT, Steven, P.
Perry OK 73077, 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.