JPS502431A
Untitled record
Abstract
This record has no abstract on file.
Term
Term ended
Projected expiry passed 9 May 1993, 33.4 years ago.
- Priority and filed
- Published
- Projected expiry
- Today
Every citation, both ways
| Document | Relation | Office | Cited during |
|---|---|---|---|
| JPS63177209U | Cited by | Japan | Search report |
| US6662713B2 | Cited by | United States of America | Applicant |
| EP1310428A1 | Cited by | European Patent Office (EPO) | Applicant |
| US3374461A | Cites | United States of America | Search report |
| US3418430A | Cites | United States of America | Search report |
Numbers
- Application
- 5067173
Classification
- IPC, 3
- G11C7 00
- G06F12 00
- G06F17 40