Patent US3015770A successfully refreshed from Google Patents.
US3015770A
Expired / Lapsed
US
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Rectifying circuit element
Assignee: US Philips Corp
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Filing: 1958-07-15
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Granted: 1962-01-02
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Expires: 1978-07-15
Abstract
No abstract record available.
Inventors
- 👤 Johannes Gerrit Van Santen
- 👤 Esvelt Hendrik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:23
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/14; G; G11; G11C; G11C11/00; G11C11/21; G11C11/22; G11C11/34; G11C11/39; G11C13/00; G11C13/04; G11C13/048; H01; H01B; H01B1/00; H01B1/06; H01B1/10; H01G; H01G7/00; H01G7/02; H10; H10D; H10D99/00; H10P; H10P95/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
AS A NEW ELECTRICAL DEVICE, THE COMBINATION OF A SEMICONDUCTIVE BODY AND AN ELECTRET IN CONTACT WITH ONE ANOTHER AND FORMING A JUNCTION THEREBETWEEN, MEANS FOR APPLYING AN ELECTRICAL SIGNAL ACROSS THE SAID JUNCTION TO ESTABLISH A CURRENT PATH FOR THE SIGNAL THROUGH THE CONTACTING SEMICONDUCTIVE BODY AND ELECTRET, AND MEANS FOR POLARIZING THE ELECTRET.
Claim 2
Dependent Claim
55 words
AS A NEW ELECTRICAL DEVICE, THE COMBINATION OF A SEMICONDUCTIVE BODY AND AN ELECTRET IN CONTACT WITH ONE ANOTHER AND FORMING A JUNCTION THEREBETWEEN, MEANS FOR APPLYING AN ELECTRICAL SIGNAL ACROSS THE SAID JUNCTION TO ESTABLISH A CURRENT PATH FOR THE SIGNAL THROUGH THE CONTACTING SEMICONDUCTIVE BODY AND ELECTRET, AND MEANS FOR POLARIZING THE ELECTRET.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |