US3243322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature compensated zener diode
Assignee: Hitachi Ltd
•
Filing: 1963-11-12
•
Granted: 1966-03-29
•
Expires: 1983-11-12
Abstract
No abstract record available.
Inventors
- 👤 Migitaka Masatoshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:35
CPC Classifications
H; H10; H10D; H10D99/00; H10P; H10P10/00; H10P10/12; H10P95/00; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12528
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3014819A
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US2779877A
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US2878152A
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US3043726A
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US3009840A
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US2998334A
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US2959504A
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US3035213A
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US3069603A
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US2967793A
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US3140963A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |