US3504302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frequency controlled semiconductor junction laser
Assignee: General Electric Co
•
Filing: 1964-09-24
•
Granted: 1970-03-31
•
Expires: 1984-09-24
Abstract
No abstract record available.
Inventors
- 👤 Gunther E Fenner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:15
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/10; H01S3/106; H01S3/1063; H01S5/00; H01S5/06; H01S5/062; H01S5/06209; H01S5/0622
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-30 | 1973-09-29 | 1974-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-30 | 1977-09-29 | 1978-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-30 | 1981-09-29 | 1982-03-31 | $7700.00 | Window Closed / Lapsed |