US2979428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor devices and methods of making them
Assignee: RCA Corp
•
Filing: 1957-04-11
•
Granted: 1961-04-11
•
Expires: 1977-04-11
Abstract
No abstract record available.
Inventors
- 👤 Dietrich A Jenny
- 👤 Joseph J Wysocki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:26
CPC Classifications
H; H10; H10D; H10D62/00; H10D62/80; H10D62/85; H10D62/854
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A CIRCUIT ELEMENT COMPRISING A BODY OF SEMICONDUCTIVE GALLIUM ARSENIDE, SAID BODY HAVING AT LEAST ONE RECTIFYING ELECTRODE ATTACHED THERETO, AND AT LEAST ONE OHMIC ELECTRODE FUSED TO SAID BODY, SAID OHMIC ELECTRODE CONSISTING OF INDIUM.
Claim 2
Dependent Claim
36 words
A CIRCUIT ELEMENT COMPRISING A BODY OF SEMICONDUCTIVE GALLIUM ARSENIDE, SAID BODY HAVING AT LEAST ONE RECTIFYING ELECTRODE ATTACHED THERETO, AND AT LEAST ONE OHMIC ELECTRODE FUSED TO SAID BODY, SAID OHMIC ELECTRODE CONSISTING OF INDIUM.
References Cited (Backward Citations)
GB731370A
Cited
US2847335A
Cited
US2759861A
Cited
US2825667A
Cited
US2798013A
Cited
US2805370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |