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European patent · EP0019921 · Deleted
Register entry
- Publication number
- EP0019921
- Application number
- EP80103008
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- Deleted
- Specification
- Granted
- Filed
- May 29, 1980
- Published
- Dec 10, 1980
- Granted
- Aug 22, 1984
- Deleted
- May 28, 2000
- Reason
- Maximum term reached
- IPC classes
- H04Q 11/04 (2006.01)H04Q 3/54 (2006.01)
- Priority
- US A 42742 29.05.1979
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Jun 15, 2000
Maximum term reached
Published in PIDTJ No 11 in 2000
Parties
Inventor
Gueldenpfennig, Klaus
Penfield New York 14526, US
Breidenstein, Charles J.
Rochester New York 14620, 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.