JPS5034555A
Programmable diffraction grating
Abstract
This record has no abstract on file.
Term
Term ended
Projected expiry passed 28 June 1994, 32.2 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
Every citation, both ways
| Document | Relation | Office | Cited during |
|---|---|---|---|
| JPS52153461A | Cited by | Japan | Search report |
| JPS461640A | Cites | Japan | Search report |
8 members in 6 offices
Priority claims1
| Document | Office | Kind | Date |
|---|---|---|---|
| 37525573 | United States of America | A |
Members8
| Document | Office | Kind | |
|---|---|---|---|
| DE2430619A1 | Germany | A1 | |
| US3861784A | United States of America | A | |
| FR2235378A1 | France | A1 | |
| JPS5034555AThis record | Japan | A | |
| IT1015253B | Italy | B | |
| GB1481841A | United Kingdom | A | |
| FR2235378B1 | France | B1 | |
| JPS588486B2 | Japan | B2 |
Numbers
- Application
- 7419574
Classification
- CPC, 2
- G02F1/091
- G03H1/2294
- IPC, 6
- G03B13 24
- G01J3 18
- G02B5 18
- G02B27 42
- G02F1 09
- G03H1 04