US3497828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-optic q-switch
Assignee: Boeing North American Inc
•
Filing: 1967-12-06
•
Granted: 1970-02-24
•
Expires: 1987-12-06
Abstract
No abstract record available.
Inventors
- 👤 Charles L Telk
- 👤 Gary D Tompkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:03
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/10; H01S3/11; H01S3/1123; H01S3/115; G; G02; G02F; G02F1/00; G02F1/01; G02F1/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3325646A
Cited
US3402002A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |