US3017548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal translating device
Assignee: AT&T Inc
•
Filing: 1958-01-20
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Granted: 1962-01-16
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Expires: 1978-01-20
Abstract
No abstract record available.
Inventors
- 👤 Jacob F Dewald
- 👤 James J Lander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:53
CPC Classifications
H; H10; H10D; H10D10/00; H01; H01G; H01G9/00; H01G9/16; H10D30/00; H10D30/80; H10D99/00; H10W; H10W72/00; H10W76/00; H10W76/01; H10W76/05; H10W76/40; H10W76/42; H10W76/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A SIGNAL TRANSLATING DEVICE COMPRISING A HIGH ENERGY GAP SEMICONDUCTIVE MEMBER, SAID MEMBER BEING CHARACTERIZED BY A UNIFORM TYPE OF CONDUCTIVITY, A RELATIVELY HIGH CONDUCTIVITY ELECTROLYTE IN CONTACT WITH A PORTION OF THE SURFACE OF SAID MEMBER, AN IMPUT ELECTRODE IN CONTACT WITH SAID ELECTROLYTE, AND CONDUCTIVE LEADS ADAPTED TO BE CONNECTED TO A WORK CIRCUIT SO THAT THE WORKING CURRENT MAY FLOW THROUGH SAID SEMICONDUCTIVE MEMBER.
Claim 2
Dependent Claim
67 words
A SIGNAL TRANSLATING DEVICE COMPRISING A HIGH ENERGY GAP SEMICONDUCTIVE MEMBER, SAID MEMBER BEING CHARACTERIZED BY A UNIFORM TYPE OF CONDUCTIVITY, A RELATIVELY HIGH CONDUCTIVITY ELECTROLYTE IN CONTACT WITH A PORTION OF THE SURFACE OF SAID MEMBER, AN IMPUT ELECTRODE IN CONTACT WITH SAID ELECTROLYTE, AND CONDUCTIVE LEADS ADAPTED TO BE CONNECTED TO A WORK CIRCUIT SO THAT THE WORKING CURRENT MAY FLOW THROUGH SAID SEMICONDUCTIVE MEMBER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |