US3025416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low temperature devices and circuits
Assignee: RCA Corp
•
Filing: 1958-05-15
•
Granted: 1962-03-13
•
Expires: 1978-05-15
Abstract
No abstract record available.
Inventors
- 👤 Edward O Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:49
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/195; H03K19/1952; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/831; Y10S505/833; Y10S505/856; Y10S505/857; Y10S505/86
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1919053A
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US2666884A
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US2752434A
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US2736858A
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US2773250A
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US2790088A
Cited
US2900531A
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US2944211A
Cited
US2938160A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |