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Patent US3409843A successfully refreshed from Google Patents.
US3409843A
Expired / Lapsed
US
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Single mode laser
Assignee: Raytheon Co
•
Filing: 1964-04-02
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Granted: 1968-11-05
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Expires: 1984-04-02
Abstract
No abstract record available.
Inventors
- 👤 Bowness Colin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:55
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/10; H01S3/106; H01S3/1066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3277392A
Cited
US3229223A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |