US3469155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Punch-through means integrated with mos type devices for protection against insulation layer breakdown
Assignee: KONE DELAWARE Inc 5534 NATIONAL TURNPIKE LOUISVILLE KY 40214 A CORP OF
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Filing: 1966-09-23
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Granted: 1969-09-23
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Expires: 1986-09-23
Abstract
No abstract record available.
Inventors
- 👤 Herman W Van Beek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:33
CPC Classifications
H; H10; H10D; H10D89/00; H10D89/60; H10D89/601; H10D89/611; H03; H03K; H03K17/00; H03K17/08; H03K17/081; H03K17/0812; H03K17/08122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3230429A
Cited
US3356858A
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US3264493A
Cited
US3272989A
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US3289093A
Cited
US3340598A
Cited
US3403270A
Cited
US3395290A
Cited
US3407339A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |