US3500448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage threshold photodiode and circuit assembly comprising the same
Assignee: Olivetti General Electric SpA
•
Filing: 1965-10-26
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Granted: 1970-03-10
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Expires: 1985-10-26
Abstract
No abstract record available.
Inventors
- 👤 Franco Forlani
- 👤 Nicola Minnaja
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:27
CPC Classifications
H; H10; H10D; H10D84/00; H10D84/201; H10D84/204; H10D84/221; H10D99/00; H10F; H10F30/00; H10F30/20; H10F30/21; H10F30/28; H10F30/2823; H10F39/00; H10F39/10; H10F39/12; H10F39/18; H10F99/00; Y; Y10; Y10S; Y10S257/00; Y10S257/926
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2998530A
Cited
US3191040A
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US3116427A
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US3204159A
Cited
US3284241A
Cited
US3329823A
Cited
US3341826A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |