Patent US3521069A successfully refreshed from Google Patents.
US3521069A
Expired / Lapsed
US
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Apparatus for obtaining a narrow high power laser pulse
Assignee: RTX Corp
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Filing: 1967-09-29
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Granted: 1970-07-21
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Expires: 1987-09-29
Abstract
No abstract record available.
Inventors
- 👤 Anthony J De Maria
- 👤 Albert W Penney Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:10
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/10; H01S3/11; H01S3/1106; H01S3/1112; H01S3/1115; G; G02; G02F; G02F1/00; G02F1/01; G02F1/03; H01S3/1103; H01S3/106; H01S3/107
Claims Analysis
Total Claims: 0
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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) | 1973-07-20 | 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 |