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.

  1. Priority
  2. Filed
  3. Granted
  4. Expired
  5. Today

13 members in 3 offices

This recordMember, by publication datePriority claim

Priority claims3

Priority claims
DocumentOfficeKindDate
26584394United States of AmericaA
265843
US19940265843

Members13

Family members, oldest first
DocumentOfficeKind
US5379213AUnited States of AmericaA
EP0697773A2European Patent Office (EPO)A2
EP0697773A3European Patent Office (EPO)A3
US5724357AUnited States of AmericaA
EP0843432A2European Patent Office (EPO)A2
EP0843432A3European Patent Office (EPO)A3
US6021119AUnited States of AmericaA
DE697773T1GermanyT1
EP0697773B1European Patent Office (EPO)B1
DE69528126D1This recordGermanyD1
DE69528126T2GermanyT2
EP0697773B2European Patent Office (EPO)B2
DE69528126T3GermanyT3