AT57770T
Thin film optical variable article having substantial color shift with angle and method.
Abstract
This record has no abstract on file.
Term
No projected expiry on record.
- Priority
- Filed
- Granted
- Today
9 members in 6 offices
Priority claims1
| Document | Office | Kind | Date |
|---|---|---|---|
| 63041484 | United States of America | A |
Members9
| Document | Office | Kind | |
|---|---|---|---|
| EP0170439A1 | European Patent Office (EPO) | A1 | |
| JPS61105509A | Japan | A | |
| US4705356A | United States of America | A | |
| CA1253367A | Canada | A | |
| EP0170439B1 | European Patent Office (EPO) | B1 | |
| AT57770TThis record | Austria | T | |
| DE3580208D1 | Germany | D1 | |
| EP0170439B2 | European Patent Office (EPO) | B2 | |
| JPH0769489B2 | Japan | B2 |
3 legal events, as the office reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | |
|---|---|---|
| Cancelled due to lapse of timeLapsedEELA | EELA | |
| Publication of translation of european patent specificationUEP | UEP | |
| Publication of translation of european patent specificationUEP | UEP |
Numbers
- Application
- 85304865
Titles2
- German
- MIT VERAENDERLICHEN OPTISCHEN EIGENSCHAFTEN VERSEHENER DUENNSCHICHTGEGENSTAND MIT EINER HOHEN WINKELABHAENGIGEN FARBENVERAENDERUNG.
- English
- DENSITY MATERIAL WITH VERY OPTICAL CHARACTERISTICS AND HIGH ANGLE COLOR CHANGE.
Classification
- IPC, 5
- G02B5 20
- G02B5 22
- G02B5 28
- G06K19 06
- G06K19 08