US3480830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-layer pn junction semiconductive flying spot generator
Assignee: International Business Machines Corp
•
Filing: 1967-01-13
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Granted: 1969-11-25
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Expires: 1987-01-13
Abstract
No abstract record available.
Inventors
- 👤 John W Horton
- 👤 Robert J Lynch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:32
CPC Classifications
H; H10; H10F; H10F39/00; H10F39/10; H10F39/12; H10F39/18; H05; H05B; H05B33/00; H05B33/12; H05B44/00; Y; Y02; Y02B; Y02B20/00; Y02B20/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2959681A
Cited
US3270235A
Cited
US3317733A
Cited
US3343002A
Cited
US3400273A
Cited
US3400271A
Cited
US3400272A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |