Nova Patents
GB0817841D0

Telephone system

Abstract

This record has no abstract on file.

Term

Projected expiry 30 September 2028.

  1. Priority
  2. Filed
  3. Published
  4. Today
  5. Projected expiry

26 members in 4 offices

This recordMember, by publication datePriority claim

Priority claims4

Priority claims
DocumentOfficeKindDate
0808448United KingdomA
0808448United KingdomA
GB0808448–––
GB20080008448–––

Members26

Family members, oldest first
DocumentOfficeKind
GB0808448D0United KingdomD0
GB0817841D0This recordUnited KingdomD0
WO2009136163A2World Intellectual Property Organization (WIPO)A2
WO2009136163A3World Intellectual Property Organization (WIPO)A3
WO2009136163A8World Intellectual Property Organization (WIPO)A8
GB201020894D0United KingdomD0
EP2286576A2European Patent Office (EPO)A2
GB2473376AUnited KingdomA
US2011228919A1United States of AmericaA1
GB2473376BUnited KingdomB
US8750471B2United States of AmericaB2
US2015127538A1United States of AmericaA1
US9858573B2United States of AmericaB2
EP3376745A1European Patent Office (EPO)A1
US2018308102A1United States of AmericaA1
EP3402177A1European Patent Office (EPO)A1
US10402826B2United States of AmericaB2
US2020219107A1United States of AmericaA1
EP3758347A1European Patent Office (EPO)A1
US11049108B2United States of AmericaB2
EP3402177B1European Patent Office (EPO)B1
US2022092603A1United States of AmericaA1
EP3989528A1European Patent Office (EPO)A1
EP2286576B1European Patent Office (EPO)B1
EP2286576B8European Patent Office (EPO)B8
US2025037128A1United States of AmericaA1