Patent US3241079A successfully refreshed from Google Patents.
US3241079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extended-range square-law detector
Assignee: AT&T Inc
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Filing: 1963-09-11
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Granted: 1966-03-15
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Expires: 1983-09-11
Abstract
No abstract record available.
Inventors
- 👤 Jr William W Snell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:23
CPC Classifications
H; H03; H03D; H03D1/00; H03D1/08; H03D1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A SQUARE-LAW DETECTOR COMPRISING: A FIRST DIODE HAVING A CURRENT-VOLTAGE CHARACTERISTIC WHICH DEVIATES FROM SQUARE-LAW OVER PORTIONS THEREOF; MEANS FOR CORRECTING SAID DEVIATIONS FROM SQUARE-LAW OVER A RANGE OF VOLTAGES COMPRISING AT LEAST ONE ADDITIONAL DIODE HAVING A COMPLEMENTARY CURRENT-
Claim 2
Dependent Claim
40 words
A SQUARE-LAW DETECTOR COMPRISING: A FIRST DIODE HAVING A CURRENT-VOLTAGE CHARACTERISTIC WHICH DEVIATES FROM SQUARE-LAW OVER PORTIONS THEREOF; MEANS FOR CORRECTING SAID DEVIATIONS FROM SQUARE-LAW OVER A RANGE OF VOLTAGES COMPRISING AT LEAST ONE ADDITIONAL DIODE HAVING A COMPLEMENTARY CURRENT-
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |