Nova Patents
PT68433A

Wheelchair lift

Abstract

This record has no abstract on file.

Term

Term ended

Projected expiry passed 17 August 1993, 33.1 years ago.

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

34 members in 16 offices

This recordMember, by publication datePriority claim6 more offices are in the list below

Priority claims1

Priority claims
DocumentOfficeKindDate
88571478United States of AmericaA

Members34

Family members, oldest first
DocumentOfficeKind
US4027807AUnited States of AmericaA
US4081091AUnited States of AmericaA
PT68433AThis recordPortugalA
CA1052326ACanadaA
ES472796A1SpainA1
EP0003950A2European Patent Office (EPO)A2
EP0003950A3European Patent Office (EPO)A3
US4176999AUnited States of AmericaA
AT360348BAustriaB
ATA569978AAustriaA
BE883451ABelgiumA
NO801558LNorwayL
AU5838780AAustraliaA
WO8002538A1World Intellectual Property Organization (WIPO)A1
US4251179AUnited States of AmericaA
EP0028632A1European Patent Office (EPO)A1
GB1592542AUnited KingdomA
EP0028632A4European Patent Office (EPO)A4
CA1119131ACanadaA
EP0003950B1European Patent Office (EPO)B1
DE2861941D1GermanyD1
CA1137929ACanadaA
NZ193779ANew ZealandA
HU182162BHungaryB
US4466771AUnited States of AmericaA
US4556128AUnited States of AmericaA
IT1118410BItalyB
IT7967503A0ItalyA0
USRE33595EUnited States of AmericaE
US2011116563A1United States of AmericaA1
WO2011060299A2World Intellectual Property Organization (WIPO)A2
WO2011060299A3World Intellectual Property Organization (WIPO)A3
TW201141106ATaiwan Province of ChinaA
US8537879B2United States of AmericaB2