US3471802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modulated laser using a solid fabry-perot etalon having a birefringent center core
Assignee: Texas Instruments Inc
•
Filing: 1967-02-01
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Granted: 1969-10-07
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Expires: 1987-02-01
Abstract
No abstract record available.
Inventors
- 👤 Henry John Caulfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:10
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/10; H01S3/106; H01S3/1062; H01S3/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3134837A
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US3277392A
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US3229223A
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US3339073A
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US3243724A
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US3327243A
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US3356438A
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US3395960A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |