US3019981A
Expired / Lapsed
US
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Binary adder employing negative resistance elements
Assignee: RCA Corp
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Filing: 1959-05-28
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Granted: 1962-02-06
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Expires: 1979-05-28
Abstract
No abstract record available.
Inventors
- 👤 Morton H Lewin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:51
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/50; G06F7/501; G06F7/5013; H; H03; H03K; H03K19/00; H03K19/02; H03K19/08; H03K19/10; H03K3/00; H03K3/02; H03K3/313; H03K3/315; G06F2207/00; G06F2207/38; G06F2207/48; G06F2207/4802; G06F2207/4828
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR1179248A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |