USB356602I5
Magnetic record medium authentication system
Abstract
This record has no abstract on file.
Term
Term ended
Projected expiry passed 28 January 1992, 34.7 years ago.
- Priority and filed
- Published
- Projected expiry
- Today
Every citation, both ways
| Document | Relation | Office | Cited during |
|---|---|---|---|
| US3200207A | Cites | United States of America | Search report |
| US3566356A | Cites | United States of America | Search report |
| US3573981A | Cites | United States of America | Search report |
| US3609684A | Cites | United States of America | Search report |
| US3626160A | Cites | United States of America | Search report |
| US3714664A | Cites | United States of America | Search report |
| US3739086A | Cites | United States of America | Search report |
2 priority claims, no other members on record
Priority claims2
| Document | Office | Kind | Date |
|---|---|---|---|
| 35660273 | United States of America | A | |
| US19730356602 | – | – | – |
Numbers
- Publication, DOCDB
- B356602
- Publication, EPODOC
- USB356602I
- Application
- 356602
- Application, DOCDB
- 35660273
- Application, EPODOC
- US19730356602
Classification
- CPC, 2
- G07F7/086
- G06K7/08
- IPC, 2
- G06K7 08
- G07F7 08