Patent US2875384A successfully refreshed from Google Patents.
US2875384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor devices
Assignee: RCA Corp
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Filing: 1956-12-06
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Granted: 1959-02-24
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Expires: 1976-12-06
Abstract
No abstract record available.
Inventors
- 👤 John T Wallmark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:24
CPC Classifications
H; H10; H10P; H10P14/00; H10P14/60; H10P14/63; H10P14/6302; H10P14/6304; H10P14/6306; H10P14/6308; C; C25; C25D; C25D11/00; C25D11/02; C25D11/32; H10P14/68; H10P95/00; H10W; H10W74/00; H10W74/10; H10W74/111; H10W74/121; H10W74/131; H10W74/40; H10W74/43; H10P14/6324
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
35 words
A SEMICONDUCTOR DEVICE COMPRISING A WAFER COMPOSED OF A MONOATOMIC SEMICONDUCTOR, A RECTIFYING ELECOPERATION OF THE ELECTRORESPONSIVE MEANS, A PLURALITY OF DELAY CIRCUITS HAVING DIFFERENT DELAY CHARACTERISTICS, CURRENT RESPONSIVE MEANS PRODUCING A VOLTAGE IN ACCORDANCE
References Cited (Backward Citations)
US1748012A
Cited
US2711496A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |