Patent US3302152A successfully refreshed from Google Patents.
US3302152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cryoelectric device
Assignee: RCA Corp
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Filing: 1964-08-19
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Granted: 1967-01-31
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Expires: 1984-08-19
Abstract
No abstract record available.
Inventors
- 👤 Charles M Wine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:52
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/38; H10; H10N; H10N60/00; H10N60/30; H10N60/35; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/856; Y10S505/857; Y10S505/86; Y10S505/862
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
79 words
A CRYOTRON COMPRISING: A SUPERCONDUCTOR GROUND PLANE; INSULATION ON SAID GROUND PLANE; A THIN FILM SUPERCONDUCTOR GATE ELEMENT INSULATED FROM AND LYING OVER THE GROUND PLANE, THE ELEMENT BEING THINNER AT ITS EDGES THAN AT ITS CENTER; ADDITIONAL INSULATION UNDER THE EDGES OF SAID GATE ELEMENT FOR SPACING SAID EDGES SUBSTANTIALLY FURTHER FROM THE GROUND PLANE THAN THE CENTER PORTION OF THE GATE ELEMENT; AND A THIN FILM SUPERCONDUCTOR CONTROL ELEMENT LYING OVER AND INSULATED FROM THE GATE ELEMENT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |