US2657345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transconductor employing line type field controlled semiconductor
Assignee: Individual
•
Filing: 1952-05-20
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Granted: 1953-10-27
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Expires: 1972-05-20
Abstract
No abstract record available.
Inventors
- 👤 Otmar M Stuetzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:52
CPC Classifications
H; H10; H10D; H10D10/00; H10D12/00; H10D48/00; H10D48/30; H10D48/32; H10D48/34; H10D48/345; H10D62/00; H10D62/01; H10D99/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/29; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A TRANSCONDUCTIVE DEVICE COMPRISING A SEMICONDUCTOR, AN OUTPUT ELECTRODE CONSISTING OF A
Claim 2
Dependent Claim
12 words
A TRANSCONDUCTIVE DEVICE COMPRISING A SEMICONDUCTOR, AN OUTPUT ELECTRODE CONSISTING OF A
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) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |