US2937962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor devices
Assignee: Texas Instruments Inc
•
Filing: 1957-03-20
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Granted: 1960-05-24
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Expires: 1977-03-20
Abstract
No abstract record available.
Inventors
- 👤 Lee G Kitchens
- 👤 Cornelison Boyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:39
CPC Classifications
H; H10; H10P; H10P14/00; H10P14/40; H10P14/46; H10D; H10D99/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
A GROWN JUNCTION TRANSISTOR HAVING A BULK-RESIST ANCE-LOWERING NOBLE METAL CONDUCTIVE COATING CONVERING THE EMITTER REGION THEREOF.
Claim 2
Dependent Claim
17 words
A GROWN JUNCTION TRANSISTOR HAVING A BULK-RESIST ANCE-LOWERING NOBLE METAL CONDUCTIVE COATING CONVERING THE EMITTER REGION THEREOF.
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) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |