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Patent US3444381A successfully refreshed from Google Patents.
US3444381A
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Silicon photodiode having folded electrode to increase light path length in body of diode
Assignee: Raytheon Co
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Filing: 1967-05-22
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Granted: 1969-05-13
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Expires: 1987-05-22
Abstract
No abstract record available.
Inventors
- 👤 Paul H Wendland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:30
CPC Classifications
H; H10; H10F; H10F77/00; H10F77/20; H10F77/206; H10F77/40; H10F77/413
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3232795A
Cited
US3379937A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-12 | 1972-11-11 | 1973-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-12 | 1976-11-11 | 1977-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-12 | 1980-11-11 | 1981-05-13 | $7700.00 | Window Closed / Lapsed |