US3521189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple crystal high power laser design
Assignee: United States Department of the Navy
•
Filing: 1967-01-03
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Granted: 1970-07-21
•
Expires: 1987-01-03
Abstract
No abstract record available.
Inventors
- 👤 Harold R Koenig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:27
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/05; H01S3/06; H01S3/07; H01S3/09; H01S3/091; H01S3/0915; H01S3/092; H01S3/093; H01S3/0602; H01S3/0604
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3136959A
Cited
US2929922A
Cited
US3311846A
Cited
DE1200946B
Cited
US3423697A
Cited
US3423693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-20 | 1974-01-19 | 1974-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-20 | 1978-01-19 | 1978-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-20 | 1982-01-19 | 1982-07-21 | $7700.00 | Window Closed / Lapsed |