US3517328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for stabilizing a gaseous optical maser
Assignee: National Aeronautics and Space Administration
•
Filing: 1965-10-24
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Granted: 1970-06-23
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Expires: 1985-10-24
Abstract
No abstract record available.
Inventors
- 👤 Ali Javan
- 👤 Koichi Shimoda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:09
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/10; H01S3/13; H01S3/139; H01S3/1398
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3252110A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |