IT8224552D0
Method and circuit for establishing a conference connection
Abstract
This record has no abstract on file.
Term
No projected expiry on record.
- Priority
- Filed
- Published
- Today
44 members in 29 offices
Priority claims3
| Document | Office | Kind | Date |
|---|---|---|---|
| 3148886 | Germany | A | |
| P31488862 | – | – | – |
| DE19813148886 | – | – | – |
Members44
| Document | Office | Kind | |
|---|---|---|---|
| IT8224552D0This record | Italy | D0 | |
| FI824200A0 | Finland | A0 | |
| BE895315A | Belgium | A | |
| FI824200L | Finland | L | |
| NO824084L | Norway | L | |
| AU9113182A | Australia | A | |
| EP0081799A1 | European Patent Office (EPO) | A1 | |
| DE3148886C1 | Germany | C1 | |
| PL239455A1 | Poland | A1 | |
| ES518084A0 | Spain | A0 | |
| ES8308667A1 | Spain | A1 | |
| JPS58150357A | Japan | A | |
| ZA828846B | South Africa | B | |
| BR8207094A | Brazil | A | |
| DD209555A5 | German Democratic Republic (until 1990) | A5 | |
| IT8224552A1 | Italy | A1 | |
| KR840003170A | Republic of Korea | A | |
| GR77104B | Greece | B | |
| HU184592B | Hungary | B | |
| US4488291A | United States of America | A | |
| MX151911A | Mexico | A | |
| NZ202626A | New Zealand | A | |
| YU272882A | Yugoslavia, later Serbia and Montenegro (until 2006) | A | |
| TR21922A | Türkiye | A | |
| SU1210677A3 | Soviet Union (until 1991) | A3 | |
| IN157468B | India | B | |
| CA1206237A | Canada | A | |
| AU553691B2 | Australia | B2 | |
| RO84971A | Romania | A | |
| PH20311A | Philippines | A | |
| IT1154391B | Italy | B | |
| IT8224552A0 | Italy | A0 | |
| PL141213B1 | Poland | B1 | |
| NO157839B | Norway | B | |
| EP0081799B1 | European Patent Office (EPO) | B1 | |
| AT34058T | Austria | T | |
| ATE34058T1 | Austria | T1 | |
| NO157839C | Norway | C | |
| DE3278453D1 | Germany | D1 | |
| KR880002168B1 | Republic of Korea | B1 | |
| JPH0129345B2 | Japan | B2 | |
| SG2889G | Singapore | G | |
| YU43810B | Yugoslavia, later Serbia and Montenegro (until 2006) | B | |
| HK67990A | Hong Kong, China | A |
1 legal event, as the office reported them to INPADOC
Events
| Event | Code | |
|---|---|---|
| Fee payment date (situation as of event date), data collected since 19931001TA | TA |
Numbers
- Publication, DOCDB
- 8224552
- Publication, EPODOC
- IT8224552D
- Application
- 8224552
- Application, DOCDB
- 2455282
- Application, EPODOC
- IT19820024552
Titles2
- Italian
- METODO E DISPOSIZIONE CIRCUITALE PER REALIZZARE UNA COMUNICAZIONE IN CONFERENZA IN UN SISTEMA DI COMMUTAZIONE TELEFONICA DIGITALE.
- English
- METHOD AND CIRCUIT ARRANGEMENT FOR REALIZING CONFERENCE COMMUNICATION IN A DIGITAL TELEPHONE SWITCHING SYSTEM.
Classification
- CPC, 3
- H04M3/561
- H04M3/56
- H04Q11/04
- IPC, 4
- H04B14 04
- H04J3 00
- H04M3 56
- H04Q11 04