Patent US3446994A successfully refreshed from Google Patents.
US3446994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High threshold diode transistor logic circuitry
Assignee: Motorola Solutions Inc
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Filing: 1966-09-08
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Granted: 1969-05-27
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Expires: 1986-09-08
Abstract
No abstract record available.
Inventors
- 👤 Ronald L Treadway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:57
CPC Classifications
H; H10; H10D; H10D62/00; H10D62/10; H10D62/13; H10D62/133; H10D62/135; H03; H03K; H03K19/00; H03K19/02; H03K19/08; H03K19/082; H03K19/084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3345518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |