DE69528126D1
Audience response system and data transfer protocol
Abstract
This record has no abstract on file.
Term
Term ended
Expired 26 June 2015, 11.2 years ago.
- Priority
- Filed
- Granted
- Expired
- Today
13 members in 3 offices
Priority claims3
| Document | Office | Kind | Date |
|---|---|---|---|
| 26584394 | United States of America | A | |
| 265843 | – | – | – |
| US19940265843 | – | – | – |
Members13
| Document | Office | Kind | |
|---|---|---|---|
| US5379213A | United States of America | A | |
| EP0697773A2 | European Patent Office (EPO) | A2 | |
| EP0697773A3 | European Patent Office (EPO) | A3 | |
| US5724357A | United States of America | A | |
| EP0843432A2 | European Patent Office (EPO) | A2 | |
| EP0843432A3 | European Patent Office (EPO) | A3 | |
| US6021119A | United States of America | A | |
| DE697773T1 | Germany | T1 | |
| EP0697773B1 | European Patent Office (EPO) | B1 | |
| DE69528126D1This record | Germany | D1 | |
| DE69528126T2 | Germany | T2 | |
| EP0697773B2 | European Patent Office (EPO) | B2 | |
| DE69528126T3 | Germany | T3 |
3 legal events, as the office reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | |
|---|---|---|
| Change in the person/name/address of the agent8328 | 8328 | |
| Restricted maintained after opposition proceedingsOpposition8366 | 8366 | |
| Opposition against the patentOpposition8363 | 8363 |
Numbers
- Publication, DOCDB
- 69528126
- Publication, EPODOC
- DE69528126D
- Application
- 69528126
- Application, DOCDB
- 69528126
- Application, EPODOC
- DE19956028126T
Titles2
- German
- Verfahren zum Sammeln von Zuhörerreaktionen und Datenübertragungsprotokoll
- English
- Method for collecting listener responses and data transmission protocol
Classification
- CPC, 7
- H04H20/38
- G06F15/025
- G06Q30/02
- G09B5/14
- G09B7/06
- H04H60/15
- H04H2201/70
- IPC, 8
- G06F15 02
- G06Q30 02
- G09B5 14
- G09B7 06
- H04H1 00
- H04H9 00
- H04H20 38
- H04H60 15