USB490067I5
Microfiche film pack
Abstract
This record has no abstract on file.
Term
Term ended
Projected expiry passed 27 January 1993, 33.7 years ago.
- Priority and filed
- Published
- Projected expiry
- Today
Every citation, both ways
| Document | Relation | Office | Cited during |
|---|---|---|---|
| DE1076834B | Cites | Germany | Search report |
| US1536341A | Cites | United States of America | Search report |
| GB231487A | Cites | United Kingdom | Search report |
| US2663418A | Cites | United States of America | Search report |
| US3338400A | Cites | United States of America | Search report |
2 priority claims, no other members on record
Priority claims2
| Document | Office | Kind | Date |
|---|---|---|---|
| 49006774 | United States of America | A | |
| US19740490067 | – | – | – |
6 legal events, as the office reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | |
|---|---|---|
| AssignmentAS | AS | |
| AssignmentAS | AS | |
| AssignmentAS | AS | |
| AssignmentAS | AS | |
| AssignmentAS | AS | |
| AssignmentAS | AS |
Numbers
- Publication, DOCDB
- B490067
- Publication, EPODOC
- USB490067I
- Application
- 490067
- Application, DOCDB
- 49006774
- Application, EPODOC
- US19740490067
Classification
- CPC, 2
- G03B17/26
- G03C3/00
- IPC, 2
- G03B17 26
- G03C3 00