US2929859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor devices
Assignee: RCA Corp
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Filing: 1957-03-12
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Granted: 1960-03-22
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Expires: 1977-03-12
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Loferski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:22
CPC Classifications
H; H10; H10D; H10D99/00; H10F; H10F99/00; H10P; H10P10/00; H10P10/12; H10P95/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
110 words
A SOLAR BATTERY COMPRISING A FIRST REGION OF GIVEN CONDUCTIVITY TYPE COMPOSED OF A FIRST BINARY SEMICONDUCTIVE COMPOUND AND SELECTED FROM THE GROUP CONSISTING OF THE PHOSPHIDES, ARSENIDES AND ANTIMONIDES OF ALUMINUM, GALLIUM AND INDIUM AND THE SULFIDES, SELENIDES AND TELLURIDES OF ZINC, CADMIUM AND MERCURY, A SECOND REGION OF OPPOSITE CONDUCTIVITY TYPE IN RECTIFYING CONTACT WITH SAID FIRST REGION, SAID SECOND REGION BEING COMPOSED OF A SECOND BILNARY SEMICONDUCTIVE COMPOUND COMPOSED OF THE LESS VOLATILE CONSTITUENT OF SAID FIRST COMPOUND AND ANOTHER ELEMENT FROM THE SAME COLUMN OF THE PERIODIC TABLE AS THE MORE VOLATILE CONSTITUTE OF SAID FIRST COMPOUND, AND OHMIC CONTACTS TO SAID FIRST AND SECOND REGIONS.
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) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |