US2903630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor devices
Assignee: RCA Corp
•
Filing: 1956-09-21
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Granted: 1959-09-08
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Expires: 1976-09-21
Abstract
No abstract record available.
Inventors
- 👤 Robert M Cohen
- 👤 Reinhard E Rist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:00
CPC Classifications
H; H10; H10W; H10W76/00; H10W76/10; H10W76/12; H10W76/161
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A SEMICONDUCTOR DEVICE COMPRISING A BODY OF SEMICONDUCTING MATERIAL, A RECTIFYING ELECTRODE AND A BASE ELECTRODE ON SAID BODY, LEADS CONNECTED TO SAID ELECTRODES, AND AN ADDITIONAL FLOATING LEAD DISPOSED BETWEEN SAID ELECTRODE LEADS.
Claim 2
Dependent Claim
34 words
A SEMICONDUCTOR DEVICE COMPRISING A BODY OF SEMICONDUCTING MATERIAL, A RECTIFYING ELECTRODE AND A BASE ELECTRODE ON SAID BODY, LEADS CONNECTED TO SAID ELECTRODES, AND AN ADDITIONAL FLOATING LEAD DISPOSED BETWEEN SAID ELECTRODE LEADS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |