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EP0517442
European procedure
Extract from the Register of European Patents
EP Federated register: EP0517442
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Application No.EP92304898 |
Publication No.EP0517442 |
ApplicantAT&T Corp. |
IPC |
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Only designated contracting states, extension states and validation states providing the Federated Register Service are listed below.
| Status | Application No. |
Publication No. |
Proprietor | Invalidation date |
Not in force since |
Renewal fees last paid |
Record last updated |
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| Designated contracting states | DE FR GB IT |