US3078196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductive switch
Assignee: AT&T Inc
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Filing: 1959-06-17
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Granted: 1963-02-19
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Expires: 1979-06-17
Abstract
No abstract record available.
Inventors
- 👤 Ian M Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:36
CPC Classifications
H; H10; H10D; H10D1/00; H10D1/40; H10D62/00; H10D62/10; H10D62/17; H10D62/60; H10D64/00; H10D84/00; H10D84/60; H10D84/645; H10D99/00; H10F; H10F30/00; H10F30/20; H10F30/21; H10F30/26; H10P; H10P95/00; H10P95/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A SEMICONDUCTIVE DEVIICE COMPRISING A SEMICONDUCTIVE WATER INCLUDING AT LEAST FIVE LAYERS, A FIRST BEING OF A FIRST CONDUCTIVITY TYPE RELATIVELY LOW SPECIFIC RESISTIVITY, THE SECOND BEING OF A SECOND CONDUCTIVITY TYPE AND OF RELATIVELY LOW SPECIFIC RESISTIVITY, THE THIRD BEING OF THE FIRST CONDUCTIVITY TYPE AND A RELATIVELY LOW SPECIFIC RESISTIVITY, THE FOURTH BEING OF THE FIRST CONDUCTIVITY TYPE AND OF RELATIVE HIGH SPECIFIC RESISTIVITY, AND THE FIFTH BEING OF THE SECOND CONDUCTIVITY TYPE AND A RELATIVELY LOW SPECIFIC RESISTIVITY.
Claim 2
Dependent Claim
81 words
A SEMICONDUCTIVE DEVIICE COMPRISING A SEMICONDUCTIVE WATER INCLUDING AT LEAST FIVE LAYERS, A FIRST BEING OF A FIRST CONDUCTIVITY TYPE RELATIVELY LOW SPECIFIC RESISTIVITY, THE SECOND BEING OF A SECOND CONDUCTIVITY TYPE AND OF RELATIVELY LOW SPECIFIC RESISTIVITY, THE THIRD BEING OF THE FIRST CONDUCTIVITY TYPE AND A RELATIVELY LOW SPECIFIC RESISTIVITY, THE FOURTH BEING OF THE FIRST CONDUCTIVITY TYPE AND OF RELATIVE HIGH SPECIFIC RESISTIVITY, AND THE FIFTH BEING OF THE SECOND CONDUCTIVITY TYPE AND A RELATIVELY LOW SPECIFIC RESISTIVITY.
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) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |