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US2969469A
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Cryotron logic circuit
Assignee: Individual
•
Filing: 1957-07-02
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Granted: 1961-01-24
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Expires: 1977-07-02
Abstract
No abstract record available.
Inventors
- 👤 Richard K Richards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:39
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; G06; G06F; G06F7/00; G06F7/38; G06F7/381; H; H03; H03K; H03K23/00; H03K23/76; H03K23/763; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/856; Y10S505/857; Y10S505/858
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |