US2847624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor devices and methods
Assignee: GTE Sylvania Inc
•
Filing: 1955-02-24
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Granted: 1958-08-12
•
Expires: 1975-02-24
Abstract
No abstract record available.
Inventors
- 👤 Goldman Irwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:12
CPC Classifications
H; H10; H10P; H10P14/00; H10P14/40; H10P14/46; H10D; H10D99/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
IN THE MANUFACTURE OF A TRANSLATING DEVICE, THE STEPS INCLUDING DEPOSITISNG A DOPING AGENT ONTO A METALLIC ELCTRODE, ELECTROLYTICALLY DEPOSITING A PLATING OF GERMANIUM ONTO SAID ELECTRODE AND HEAT TREATING THE ASSEMBLY TO DIFFUSE THE DOPING AGENT INTO THE PLATING OF GERMANIUM.
Claim 2
Dependent Claim
42 words
IN THE MANUFACTURE OF A TRANSLATING DEVICE, THE STEPS INCLUDING DEPOSITISNG A DOPING AGENT ONTO A METALLIC ELCTRODE, ELECTROLYTICALLY DEPOSITING A PLATING OF GERMANIUM ONTO SAID ELECTRODE AND HEAT TREATING THE ASSEMBLY TO DIFFUSE THE DOPING AGENT INTO THE PLATING OF GERMANIUM.
References Cited (Backward Citations)
US1743160A
Cited
GB682105A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |