US3368124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor devices
Assignee: RCA Corp
•
Filing: 1965-12-09
•
Granted: 1968-02-06
•
Expires: 1985-12-09
Abstract
No abstract record available.
Inventors
- 👤 Norman H Ditrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:34
CPC Classifications
H; H10; H10W; H10W20/00; H10W20/40; H10D; H10D99/00; H10P; H10P95/00; H10W72/00; H10W72/90; H10W72/071; H10W72/075; H10W72/07551; H10W72/07554; H10W72/50; H10W72/531; H10W72/5363; H10W72/541; H10W72/547; H10W72/59; Y; Y10; Y10S; Y10S148/00; Y10S148/053
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A SEMICONDUCTOR DEVICE COMPRISING A CRYSTALLINE SEMICONDUCTIVE BODY, A CHROMIUM FILM ON A PORTION OF A SURFACE OF SAID BODY, AN ALUMINUM COATING ON SAID CHROMIUM FILM, AND AN ELECTRICAL LEAD WIRE ATTACHED TO SAID ALUMINUM COATING.
Claim 2
Dependent Claim
37 words
A SEMICONDUCTOR DEVICE COMPRISING A CRYSTALLINE SEMICONDUCTIVE BODY, A CHROMIUM FILM ON A PORTION OF A SURFACE OF SAID BODY, AN ALUMINUM COATING ON SAID CHROMIUM FILM, AND AN ELECTRICAL LEAD WIRE ATTACHED TO SAID ALUMINUM COATING.
References Cited (Backward Citations)
US2973466A
Cited
US3231421A
Cited
US3241931A
Cited
US3177100A
Cited
US3290565A
Cited
US3266127A
Cited
US3290570A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |