US3458703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reverse biased semiconductor laser light modulator fabricated from same material as laser light source
Assignee: Hitachi Ltd
•
Filing: 1965-07-26
•
Granted: 1969-07-29
•
Expires: 1985-07-26
Abstract
No abstract record available.
Inventors
- 👤 Masatoshi Migitaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:33
CPC Classifications
H; H01; H01S; H01S5/00; H01S5/02; H01S5/026
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2692950A
Cited
US2776367A
Cited
US2929923A
Cited
US3121203A
Cited
US3102201A
Cited
US3043959A
Cited
US3200259A
Cited
US3229106A
Cited
US3369133A
Cited
US3229104A
Cited
US3283160A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |