Feutre filtrant à température élevée
European patent · EP0358222 · Deleted
Register entry
- Publication number
- EP0358222
- Application number
- EP89116636
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- Deleted
- Specification
- Granted
- Filed
- Sep 8, 1989
- Published
- Mar 14, 1990
- Granted
- Mar 17, 1993
- Deleted
- Sep 7, 2009
- Reason
- Maximum term reached
- IPC classes
- B01D 39/14 (2006.01)B01D 39/16 (2006.01)B01D 39/20 (2006.01)D04H 13/00 (2006.01)
- Priority
- US A 270783 08.09.1988
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Sep 14, 2009
Maximum term reached
Published in Swissreg on 14.09.2009
- Mar 31, 2008
Address changed
- Representative
- Ritscher & Partner AG, Patentanwälte, Forchstrasse 452, Postfach, 8029 Zürich → Ritscher & Partner AG, Resirain 1, 8125 Zollikerberg
Published in +pat+ No 6 in 2008
- May 30, 2003
Transferred
- Owner
- E.I. du Pont de Nemours, & Company, 1007 Market Street, Wilmington/DE, USA → Toray Industries, Inc., 2-1 Nihonbashi Muromachi 2-chome, Chuo-ku, Tokyo 103-8666, Japan
Published in +pat+ No 10 in 2003
- May 30, 2003
Agent entered
- Representative
- Ritscher & Seifert, Patentanwälte VSP, Kreuzstrasse 82, 8032 Zürich → Ritscher & Partner AG, Patentanwälte, Forchstrasse 452, Postfach, 8029 Zürich
Published in +pat+ No 10 in 2003
- Apr 30, 1993
Granted
Published in PIDTJ No 8 in 1993
Parties
Inventor
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.