VENTIL ZUR AUFBEREITUNG VON DAMPF
European patent · EP0483168 · Deleted
Register entry
- Publication number
- EP0483168
- Application number
- EP90909321
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- Deleted
- Specification
- Granted
- Filed
- May 21, 1990
- Published
- May 6, 1992
- Granted
- Dec 27, 1996
- Deleted
- May 31, 1998
- Reason
- Annual fee unpaid
- IPC classes
- F16K 47/08 (2006.01)F01D 17/14 (2006.01)
- Priority
- US 377426 10.07.1989
- PCT application
- PCT/US1990/002763 21.05.1990
- PCT publication
- WO1991/000971 24.01.1991
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Jan 15, 1999
Deleted, fee unpaid
Published in PIDTJ No 1 in 1999
- Apr 30, 1998
Transferred
- Owner
- KEYSTONE INTERNATIONAL, HOLDINGS CORP., 9600 West Gulf Bank Drive, Houston, Texas 77040, USA → Dresser Industries, Inc., 2001 Ross Avenue, Dallas/TX 75221, USA
Published in PIDTJ No 8 in 1998
- Aug 29, 1997
Agent entered
- Representative
- E. Blum & Co. Patentanwälte, Am Vorderberg 11, 8044 Zürich
Published in PIDTJ No 16 in 1997
- Dec 31, 1996
Granted
Published in PIDTJ No 24 in 1996
Parties
Inventor
KUEFFER, Max
Bluebell, PA 19422, US
FEISS, Roy, E.
Southampton, PA 18966, 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.