US3479455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image transducers using extrinsic semiconductors
Assignee: United States Department of the Air Force
•
Filing: 1966-04-01
•
Granted: 1969-11-18
•
Expires: 1986-04-01
Abstract
No abstract record available.
Inventors
- 👤 Radames K H Gebel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:30
CPC Classifications
H; H10; H10F; H10F71/00; H10F71/125; Y; Y02; Y02E; Y02E10/00; Y02E10/50; Y02E10/543
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3123737A
Cited
US2482815A
Cited
US2727183A
Cited
US2756343A
Cited
US3188467A
Cited
US3031574A
Cited
US3070698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |