JPS4934634U
Untitled record
Abstract
This record has no abstract on file.
Term
Term ended
Projected expiry passed 30 June 1992, 34.2 years ago.
- Priority and filed
- Published
- Projected expiry
- Today
Every citation, both ways
| Document | Relation | Office | Cited during |
|---|---|---|---|
| US2930102A | Cites | United States of America | Search report |
Numbers
- Application
- 77425
Classification
- IPC, 4
- G03B21 00
- G06F3 02
- G06F3 023
- G06F3 147