US2704818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Asymmetrically conductive device
Assignee: General Electric Co
•
Filing: 1947-04-24
•
Granted: 1955-03-22
•
Expires: 1967-04-24
Abstract
No abstract record available.
Inventors
- 👤 Harper Q North
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:57
CPC Classifications
H; H10; H10P; H10P95/00; H10D; H10D99/00; H10P10/00; Y; Y10; Y10S; Y10S420/00; Y10S420/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A GERMANIUM DIODE FOR MICROWAVE USE COMPRISING A PELLET OF GERMANIUM CONTAINING APPROXIMATELY .2 ATOMIC PERCENT ANTIMONY, AND A POINTED WIRE WHISKER WELDED AT THE POINTED END TO THE SURFACE OF SAID PELLET.
Claim 2
Dependent Claim
33 words
A GERMANIUM DIODE FOR MICROWAVE USE COMPRISING A PELLET OF GERMANIUM CONTAINING APPROXIMATELY .2 ATOMIC PERCENT ANTIMONY, AND A POINTED WIRE WHISKER WELDED AT THE POINTED END TO THE SURFACE OF SAID PELLET.
References Cited (Backward Citations)
US1961825A
Cited
US2162487A
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US2402839A
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US2406405A
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US2441590A
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US2530110A
Cited
US2415841A
Cited
US2514879A
Cited
US2504628A
Cited
US2646536A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-21 | 1958-09-20 | 1959-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-21 | 1962-09-20 | 1963-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-21 | 1966-09-20 | 1967-03-22 | $7700.00 | Window Closed / Lapsed |