Nova Patents
AT68053T

Photochromic articles.

Abstract

This record has no abstract on file.

Term

Term ended

Expired 29 April 2007, 19.4 years ago.

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

27 members in 15 offices

This recordMember, by publication datePriority claim5 more offices are in the list below

Priority claims1

Priority claims
DocumentOfficeKindDate
8610709United KingdomA

Members27

Family members, oldest first
DocumentOfficeKind
GB8610709D0United KingdomD0
FI871826A0FinlandA0
GB8710142D0United KingdomD0
FI871826AFinlandA
AU7196687AAustraliaA
EP0245020A2European Patent Office (EPO)A2
GB2190088AUnited KingdomA
JPS62288830AJapanA
KR870011492ARepublic of KoreaA
BR8702162ABrazilA
ZA873011BSouth AfricaB
EP0245020A3European Patent Office (EPO)A3
GB2190088BUnited KingdomB
US4913544AUnited States of AmericaA
AU605763B2AustraliaB2
EP0245020B1European Patent Office (EPO)B1
AT68053TThis recordAustriaT
ATE68053T1AustriaT1
DE3773426D1GermanyD1
ES2027292T3SpainT3
CA1305271CCanadaC
GR3003252T3GreeceT3
FI90560BFinlandB
FI90560CFinlandC
AR246355A1ArgentinaA1
KR940007779B1Republic of KoreaB1
JP2690305B2JapanB2