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European patent · EP0330773 · Deleted
Register entry
- Publication number
- EP0330773
- Application number
- EP88301887
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- Deleted
- Specification
- Granted
- Filed
- Mar 3, 1988
- Published
- Sep 6, 1989
- Granted
- May 12, 1993
- Deleted
- Mar 31, 2004
- Reason
- Annual fee unpaid
- IPC classes
- C12N 15/52 (2006.01)C12N 9/88 (2006.01)C12N 9/90 (2006.01)C12N 1/20 (2006.01)
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Nov 15, 2004
Deleted, fee unpaid
Published in +pat+ No 21 in 2004
- Jun 30, 1993
Granted
Published in PIDTJ No 12 in 1993
Parties
Holder
Inventor
Backman, Keith C.
Bedford Massachusetts, US
Balakrishnan, Ramaswamy
Framingham Massachusetts, 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.