Patent US3260115A successfully refreshed from Google Patents.
US3260115A
Expired / Lapsed
US
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Temperature sensitive element
Assignee: AT&T Inc
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Filing: 1962-05-18
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Granted: 1966-07-12
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Expires: 1982-05-18
Abstract
No abstract record available.
Inventors
- 👤 Ralph A Logan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:59
CPC Classifications
G; G01; G01K; G01K7/00; G01K7/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A TEMPERATURE MEASURING SYSTEM COMPRISING A GALLIUM ARSENIDE P-N JUNCTION DIODE HAVING A HIGH DISCLOSURE DENSITY BETWEEN 10**5 AND 5X10**6 PER CM.**2, A SOURCE OF CURRENT CONNECTED TO SAID DIODE IN A REVERSED BIAS SENSE, THE CURRENT SUPPLIED BY SAID SOURCE BEING WITHIN THE VOLTAGE BREAKDOWN RANGE OF SAID DIODE AND A VOLTAGE RESPONSIVE ELEMENT CONNECTED IN PARALLEL WITH SAID DIODE.
Claim 2
Dependent Claim
61 words
A TEMPERATURE MEASURING SYSTEM COMPRISING A GALLIUM ARSENIDE P-N JUNCTION DIODE HAVING A HIGH DISCLOSURE DENSITY BETWEEN 10**5 AND 5X10**6 PER CM.**2, A SOURCE OF CURRENT CONNECTED TO SAID DIODE IN A REVERSED BIAS SENSE, THE CURRENT SUPPLIED BY SAID SOURCE BEING WITHIN THE VOLTAGE BREAKDOWN RANGE OF SAID DIODE AND A VOLTAGE RESPONSIVE ELEMENT CONNECTED IN PARALLEL WITH SAID DIODE.
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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) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |