Trépan avec schéma de coupe amélioré
European patent · EP0575198 · Deleted
Register entry
- Publication number
- EP0575198
- Application number
- EP93304791
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- Deleted
- Specification
- Granted
- Filed
- Jun 18, 1993
- Published
- Dec 22, 1993
- Granted
- Sep 17, 1997
- Deleted
- Jun 30, 1999
- Reason
- Annual fee unpaid
- IPC classes
- E21B 10/46 (2006.01)
- Priority
- US 901322 19.06.1992
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Feb 15, 2000
Deleted, fee unpaid
Published in PIDTJ No 3 in 2000
- Sep 30, 1997
Agent entered
- Representative
- Kirker & Cie SA, 122, rue de Genève, Case postale 65, 1226 Thônex (Genève)
Published in PIDTJ No 18 in 1997
- Sep 30, 1997
Granted
Published in PIDTJ No 18 in 1997
Parties
Inventor
Keith, Carl Wayne
Spring, Texas, US
Clayton, Robert Iverson
Deer Park, Texas, 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.