Spiralfilter
European patent · EP0422137 · Deleted
Register entry
- Publication number
- EP0422137
- Application number
- EP90901733
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- Deleted
- Specification
- Granted
- Filed
- Jan 31, 1990
- Published
- Apr 17, 1991
- Granted
- Dec 15, 1993
- Deleted
- Jan 31, 2005
- Reason
- Annual fee unpaid
- IPC classes
- B01D 63/08 (2006.01)B01D 29/05 (2006.01)B01D 29/54 (2006.01)
- Priority
- CH A 565/89 18.02.1989
- PCT application
- PCT/CH1990/000022 31.01.1990
- PCT publication
- WO1990/009229 23.08.1990
- Filing language
- German
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Sep 15, 2005
Deleted, fee unpaid
Published in +pat+ No 17 in 2005
- Jan 31, 1994
Granted
Published in PIDTJ No 2 in 1994
Parties
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.